Employees of Petroleos de Venezuela, or PDVSA, shout slogans against the United States during a protest outside the main offices in Caracas, Venezuela, Wednesday, May 25, 2011. President Hugo Chavez's... more 
Employees of Petroleos de Venezuela, or PDVSA, shout slogans against the United States during a protest outside the main offices in Caracas, Venezuela, Wednesday, May 25, 2011. President Hugo Chavez's government condemned U.S. sanctions imposed on Venezuela's state oil company for doing business with Iran, saying it is evaluating how fuel shipments might be affected. less 
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Associated Press | Photo By Fernando Llano
Wed, May 25, 2011 1:43 PM EDT