France's President Francois Hollande (R) greets Tunisia's President Moncef Marzouki in the courtyard of the Elysee Palace at the start of the Elysee Summit for Peace and Security in Africa, in Paris, December 6, 2013. Forty-two representatives, including presidents and heads of government take part in the two-day summit. REUTERS/Benoit Tessier (FRANCE - Tags: POLITICS)