A demonstrator standing in teargas fired by Bolivarian National Guards prepares to throw a rock during clashes near Plaza Altamira in Caracas, Venezuela, Sunday, March 16, 2014. Anti-government street protests by Venezuelans fed up with violent crime, shortages of basic items such as flour and cooking oil and high inflation have roiled Venezuela for more than a month.
A demonstrator standing in teargas fired by Bolivarian National Guards prepares to throw a rock during clashes near Plaza Altamira in Caracas, Venezuela, Sunday, March 16, 2014. Anti-government street protests by Venezuelans fed up with violent crime, shortages of basic items such as flour and cooking oil and high inflation have roiled Venezuela for more than a month. Esteban Felix AP
A demonstrator standing in teargas fired by Bolivarian National Guards prepares to throw a rock during clashes near Plaza Altamira in Caracas, Venezuela, Sunday, March 16, 2014. Anti-government street protests by Venezuelans fed up with violent crime, shortages of basic items such as flour and cooking oil and high inflation have roiled Venezuela for more than a month. Esteban Felix AP

Amid deteriorating relations, Washington turns screws on Venezuela

March 09, 2015 12:32 PM