US President Barack Obama, left, waves while walking with First Lady Michelle Obama after he delivered a keynote address ahead of the G-8 summit at Waterfront Hall in Belfast, Northern

 

              US President Barack Obama, left, waves while walking with First Lady Michelle Obama after he delivered a keynote address ahead of the G-8 summit at Waterfront Hall in Belfast, Northern
US President Barack Obama, left, waves while walking with First Lady Michelle Obama after he delivered a keynote address ahead of the G-8 summit at Waterfront Hall in Belfast, Northern Ireland on Monday, June 17, 2013. (AP Photo/Peter Morrison)