WASHINGTON - MAY 19:   US President Barack Obama (C) meets with former US Secretary of the Treasury George Schultz (L) and former US Secretary of State Henry Kissinger (R) in the Oval Office of the White House May 19, 2009 in Washington, DC. The group discussed the key priorities in US nonproliferation policy. Getty Images logo Getty Images 5 months ago

WASHINGTON - MAY 19: US President Barack Obama (C) meets with former US Secretary of the Treasury George Schultz (L) and former US Secretary of State Henry Kissinger (R) in the Oval Office of the White House May 19, 2009 in Washington, DC. The group discussed the key priorities in US nonproliferation policy.