Britain's Prime Minister David Cameron (5th L) poses for a group photograph with (L-R) European Commission President Jose Manuel Barroso; Japan's Prime Minister Shinzo Abe; German Chancellor Angela Merkel; Russia's President Vladimir Putin; Cameron; U.S. President Barack Obama; France's President Francois Hollande; Canada's Prime Minister Stephen Harper; Italy's Prime Minister Enrico Letta and European Council President Herman Van Rompuy, at the G8 Summit, at Lough Erne, near Enniskillen, in Northern Ireland June 18, 2013. [Photo/Agencies]