Senator Marco Rubio C.M. GUERRERO / EL NUEVO HERALD

Marco Rubio Marsha Halper / Miami Herald Staff

President Barack Obama delivers remarks about the Department of Homeland Security's recent announcement about deportation of illegal immigrants in the Rose Garden at the White House June 15, 2012 in Washington, DC. With the DREAM Act unable to gain traction in Congress, Obama announced that his administration would stop deporting some young people who came to U.S. as children of illegal immigrants. Alex Wong / Getty Images

More than 150 students and Dream Act supporters rallied in front of the Federal Office Building in downtown Los Angeles, California, on Friday, June 15, 2012, to voice their support for President Obama's decision to halt the deportation of young illegal immigrants. Al Seib / MCT