U.S. President Barack Obama smiles with his wife Michelle as they wait to receive South Korean President Lee Myung-bak and his wife Kim Yoon-ok for a state dinner in their honor at the White House in Washington October 13, 2011. Obama and Lee on Thursday hailed a long-sought trade deal as an engine for job creation in both countries and presented a united front in the North Korean nuclear standoff. REUTERS/Jonathan Ernst (UNITED STATES – Tags: POLITICS)