U.S. President Barack Obama delivers a keynote address ahead of the G-8 summit at Waterfront Hall in Belfast, Northern Ireland on Monday, June 17, 2013. (AP Photo/ Paul Faith, Pool)

Photo by: Paul Faith

U.S. President Barack Obama delivers a keynote address ahead of the G-8 summit at Waterfront Hall in Belfast, Northern Ireland on Monday, June 17, 2013. (AP Photo/ Paul Faith, Pool)