British Prime Minister David Cameron (L) welcomes Japanese Prime Minister Shinzo Abe for the first plenary session of the G8 Summit at Lough Erne in Enniskillen, Northern Ireland June 17, 2013. [Photo/Agencies]
US President Barack Obama (L) meets with Russian President Vladimir Putin during the G8 Summit at Lough Erne in Enniskillen, Northern Ireland June 17, 2013. [Photo/Agencies]