4 din 7

BADEN BADEN, GERMANY - APRIL 03: (L-R) German Chancellor Angela Merkel, Joachim Sauer, French President Nicolas Sarkozy and French first Lady Carla Bruni arrive to attend the opening of the NATO summit at the Kurhaus on April 3, 2009 in Baden Baden, Germany. Heads of state, foreign ministers and defence ministers of the 28 NATO member countries are participating in the summit from April 3-4 in Strasbourg, Kehl and Baden Baden to mark the 60th anniversary of the transatlantic military and political organization. (Photo by action press-Pool/Getty Images)