U.S. President Barack Obama (3rd R) watches as his wife Michelle (4th R) greets South Korean first lady Kim Yoon-ok as she and President Lee Myung-bak (R) arrive 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/Hyungwon Kang (UNITED STATES – Tags: POLITICS TPX IMAGES OF THE DAY)