U.S. President Barack Obama (R) meets with British Prime Minister David Cameron in the Oval Office of the White House in Washington D.C., capital of the United States, March 14, 2012. (Photo: Xinhua)
U.S. President Barack Obama (1st, R) and British Prime Minister David Cameron (2nd, R) wave to the crowd with their wives during an official ceremony at the White House in Washington D.C., capital of the United States, March 14, 2012. (Photo: Xinhua)
