U.S. actor George Clooney walks with his girlfriend Sarah Larson (R) after attending the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY)