US NEWS NUCLEAR-SUMMIT 15 ABA
U.S. President Barack Obama met with world leaders in advance of the Nuclear Security Summit, at the Blair House in Washington, D.C., on Sunday, April 11, 2010. (Olivier Douliery/Abaca Press/MCT)
U.S. President Barack Obama met with world leaders in advance of the Nuclear Security Summit, at the Blair House in Washington, D.C., on Sunday, April 11, 2010. (Olivier Douliery/Abaca Press/MCT)