President Barack Obama talks on the phone with President Vladimir Putin of Russia while in Riyadh, Saudi Arabia, March 28, 2014. With the President are Secretary of State John Kerry, left, and National Security Advisor Susan E. Rice.

President Barack Obama talks on the phone with President Vladimir Putin of Russia while in Riyadh, Saudi Arabia, March 28, 2014. With the President are Secretary of State John Kerry, left, and National Security Advisor Susan E. Rice.