Benin president Thomas Boni Yayi , French President Francois Hollande, and Nigeria's President Goodluck Jonathan, from left, pose upon his arrival for the "Paris' Security in Nigeria summit", at the Elysee Palace, in Paris, Saturday, May 17, 2014. Leaders from Africa as well as officials from the United States, Britain and France met to coordinate a response to Boko Haram, the fundamentalist group that abducted more than 300 girls and is accused of hundreds of deaths in the past year alone. (AP Photo/Francois Mori)