Activists playing the roles of a North Korean soldier (R) and a North Korean defector (bottom) perform at a rally to demand an improvement of North Korea's human rights situation near the U.S. embassy in Seoul November 18, 2009. U.S. President Barack Obama will arrive in South Korea Wednesday night and hold a summit with South Korean President Lee Myung-bak on Thursday, with North Korea and a trade deal topping the agenda of their talks. REUTERS/Choi Bu-Seok (SOUTH KOREA POLITICS CONFLICT)
REUTERS/CHOI BU-SEOK