US President Barack Obama speaks to Russ

US President Barack Obama speaks to Russian President Dmitriy Medvedev (R) during a bilateral meeting in Seoul on March 26, 2012 on the sidelines of the 2012 Seoul Nuclear Security Summit. The two men and dozens of other world leaders were to begin the 2012 Seoul Nuclear Security Summit on March 26 curbing the threat of nuclear terrorism, but North Korea's atomic plans will be in focus on the sidelines. AFP PHOTO / Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)