President Barack Obama talks with staff following a phone call with Prime Minister Stephen Harper of Canada in the Oval Office, Saturday, Aug. 30, 2014. Standing with the President from left are: Charles Kupchan, Senior Director for European Affairs; National Security Advisor Susan E. Rice; Ricardo Zuniga, Senior Director for Western Hemisphere Affairs; and Lisa Samp, Director for NATO and European Strategic Affairs.

President Barack Obama talks with staff following a phone call with Prime Minister Stephen Harper of Canada in the Oval Office, Saturday, Aug. 30, 2014. Standing with the President from left are: Charles Kupchan, Senior Director for European Affairs; National Security Advisor Susan E. Rice; Ricardo Zuniga, Senior Director for Western Hemisphere Affairs; and Lisa Samp, Director for NATO and European Strategic Affairs.