Protesting Arizona's immigration law

  • Pro immigrant protesters gather to march in downtown Dallas, Saturday. Protesters marched to denounce the controversial Arizona immigration law. LM OTERO/AP

  • Marchers rally for federal immigration reform and protest against Arizona's controversial immigration law, in Los Angeles, Saturday. Dozens of marches took place across the country. JASON REDMOND/AP

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law on May 1, 2010 in Union Square on May Day in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • City worker James Taylor, left, of Boston, looks up to watch as protesters march through downtown Boston to demand immigration reform and denounce the controversial Arizona immigration law, Saturday, May 1, 2010, (AP Photo/Michael Dwyer) MICHAEL DWYER / STF

  • PHOENIX - MAY 01: Demonstrators protest Arizona's new immigration enforcement law outside the U.S. Immigration and Customs building on May 1, 2010 in Phoenix, Arizona. Thousands of people in cities across the United States were set to demonstrate on May Day against the immigration law, which critics have said could encourage racial profiling against Hispanics by police officers. (Photo by John Moore/Getty Images) JOHN MOORE / STAFF

  • ANN ARBOR, MI - MAY 1: Protestors attend an immigration rally near the University of Michigan Stadium May 1, 2010 in Ann Arbor, Michigan. U.S. President Barack Obama was at the University of Michigan Stadium to deliver the 2010 commencement address to the graduating seniors. (Photo by Bill Pugliano/Getty Images) BILL PUGLIANO / STRINGER

  • ANN ARBOR, MI - MAY 1: Protestors attend an immigration rally near the University of Michigan Stadium May 1, 2010 in Ann Arbor, Michigan. U.S. President Barack Obama was at the University of Michigan Stadium to deliver the 2010 commencement address to the graduating seniors. (Photo by Bill Pugliano/Getty Images) BILL PUGLIANO / STRINGER

  • ANN ARBOR, MI - MAY 1: Protestors attend an immigration rally near the University of Michigan Stadium May 1, 2010 in Ann Arbor, Michigan. U.S. President Barack Obama was at the University of Michigan Stadium to deliver the 2010 commencement address to the graduating seniors. (Photo by Bill Pugliano/Getty Images) BILL PUGLIANO / STRINGER

  • ANN ARBOR, MI - MAY 1: Protestors attend an immigration rally near the University of Michigan Stadium May 1, 2010 in Ann Arbor, Michigan. U.S. President Barack Obama was at the University of Michigan Stadium to deliver the 2010 commencement address to the graduating seniors. (Photo by Bill Pugliano/Getty Images) BILL PUGLIANO / STRINGER

  • PHOENIX - MAY 01: Demonstrators protest Arizona's new immigration enforcement law outside the U.S. Immigration and Customs building on May 1, 2010 in Phoenix, Arizona. Thousands of people in cities across the United States were set to demonstrate against the immigration law, which critics have said could encourage racial profiling against Hispanics by police officers. (Photo by John Moore/Getty Images) JOHN MOORE / STAFF

  • PHOENIX - MAY 01: Demonstrators protest Arizona's new immigration enforcement law outside the U.S. Immigration and Customs building on May 1, 2010 in Phoenix, Arizona. Thousands of people in cities across the United States were set to demonstrate against the immigration law, which critics have said could encourage racial profiling against Hispanics by police officers. (Photo by John Moore/Getty Images) JOHN MOORE / STAFF

  • ANN ARBOR, MI - MAY 1: Protestors attend an immigration rally near the University of Michigan Stadium May 1, 2010 in Ann Arbor, Michigan. U.S. President Barack Obama was at the University of Michigan Stadium to deliver the 2010 commencement address to the graduating seniors. (Photo by Bill Pugliano/Getty Images) BILL PUGLIANO / STRINGER

  • Protesters against Arizona's new immigration law hold a rally at Union Square, where residents are playing chess, in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Protesters against Arizona's new immigration law hold a rally at Union Square in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Protesters against Arizona's new immigration law hold a rally at Union Square in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Protesters against Arizona's new immigration law hold a rally at Union Square in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Protesters against Arizona's new immigration law hold a rally at Union Square in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Luis Salgado joins protesters against Arizona's new immigration law hold a rally at Union Square in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Protesters against Arizona's new immigration law hold a rally at Union Square in New York on May 1, 2010 as more than a million people from coast to coast hold May Day rallies. Hundreds of thousands of people are expected to rally across the US Saturday in protest the immigration law in Arizona that has triggered an outcry from rights groups. Demonstrations are planned in more than 70 cities as Hispanic organizations mobilize to demand the repeal of the controversial Arizona legislation as well as wide-ranging federal immigration reform. AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) TIMOTHY A. CLARY / STAFF

  • Cardinal Roger Mahony of the Roman Catholic Archdiocese of Los Angeles marches arm-in-arm with some of tens of thousands of demonstrators marching for reform of federal immigration law and to protest against Arizona's controversial new immigration law, in downtown Los Angeles Saturday, May 1, 2010. (AP Photo/Chris Carlson) LM OTERO / STF

  • PHOENIX - MAY 01: Demonstrators protest Arizona's new immigration enforcement law outside the U.S. Immigration and Customs building on May 1, 2010 in Phoenix, Arizona. Thousands of people in cities across the United States were set to demonstrate on May Day against the immigration law, which critics have said could encourage racial profiling against Hispanics by police officers. (Photo by John Moore/Getty Images) JOHN MOORE / STAFF

  • The Statue of Liberty appears in the distance as people walk on the Brooklyn Bridge in New York on Saturday, May 1, 2010. Immigrant rights activists planning dozens of Saturday marches nationwide, including at least three in New York City, hope Arizona's controversial immigration law spurs tens of thousands to protest for federal immigration reform. Many new immigrants saw the statue as they arrived in New York Harbor. (AP Photo/Peter Morgan) PETER MORGAN / STF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • Protesters gather outside the Arizona Capitol Saturday, May 1, 2010 in Phoenix to protest Arizona's controversial new immigration bill. (AP Photo/Matt York) CHERYL EVANS / MBR

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • NEW YORK - MAY 01: Hundreds of activists, supporters of illegal immigrants and members of the Latino community rally against a new Arizona law in Union Square on May Day on May 1, 2010 in New York City. Following the state of Arizona's passage of a new immigration law which requires individuals suspected of being illegal immigrants to show proof of legal residence when asked by law enforcement, immigration supporters have been protesting across the country. The law has become increasingly divisive, with Mexico's president issuing a travel warning to Mexican citizens in Arizona. Thousands of people are taking part in similar protests around the country on May Day, a traditional day of protest around the world. (Photo by Spencer Platt/Getty Images) SPENCER PLATT / STAFF

  • City worker James Taylor, left, of Boston, looks up to watch as protesters march through downtown Boston to demand immigration reform and denounce the controversial Arizona immigration law, Saturday, May 1, 2010, (AP Photo/Michael Dwyer) MICHAEL DWYER / STF

  • Protesters gather outside the Arizona Capitol Saturday, May 1, 2010 in Phoenix to protest Arizona's controversial new immigration bill. (AP Photo/Matt York) CHERYL EVANS / MBR