Democratic Republic of Congo's President Joseph Kabila (L) shakes hands with his Chadian counterpart Idriss Deby as they leave the president's palace during the funeral of Gabonese President Omar Bongo, on June 16, 2009 in Libreville. Sarkozy was met with jeers today as he joined fellow leaders at the funeral of Gabon's Omar Bongo Ondimba, Africa's longest-serving head of state. Bongo, 73, died in Barcelona from cancer on June 8, 2009.