EPAepa03159480 US President Barack Obama is seen during his bilateral meeting with Russian President Dmitry Medvedev (not pictured) in Seoul, South Korea, 26 March 2012, within the framework of the Nuclear Security Summit. World leaders gather on a two-da
dapdPresident Barack Obama speaks at the Nob Hill Masonic Center in San Francisco, Friday, Feb. 17, 2012. Obama is on a three-day trip to the West Coast for fundraising. (Foto:Susan Walsh/AP/dapd)