France's President Nicolas Sarkozy, right, shares a laugh with German Chancellor Angela Merkel while walking for a group photo outside Lisbon's 16th century Jeronimos Monastery, after signing the EU's Treaty of Lisbon Thursday, Dec. 13 2007.(AP Photo/Armando Franca)
German Chancellor Angela Merkel and France's President Nicolas Sarkozy leave the group photo of the signing ceremony of the EU treaty of Lisbon in the Jeronimos Monastery in Lisbon December 13, 2007.REUTERS/Hugo Correia (PORTUGAL)