U.S. President Barack Obama waves as he walks out from the Oval Office of the White House in Washington

 
U.S. President Barack Obama waves as he walks out from the Oval Office of the White House in Washington
U.S. President Barack Obama waves as he walks out from the Oval Office of the White House in Washington May 10, 2012, before his departure to attend campaign events in Seattle and Los Angeles. REUTERS/Yuri Gripas