France’s President Francois Hollande, left, welcomes European Council President Donald Tusk at the Elysee Palace in Paris, Monday, Nov. 23, 2015. European Union President Donald Tusk has said it is a political duty to jointly fight extremism, calling it the “greatest challenge of our time.”
France’s President Francois Hollande, left, welcomes European Council President Donald Tusk at the Elysee Palace in Paris, Monday, Nov. 23, 2015. European Union President Donald Tusk has said it is a political duty to jointly fight extremism, calling it the “greatest challenge of our time.” Michel Euler AP
France’s President Francois Hollande, left, welcomes European Council President Donald Tusk at the Elysee Palace in Paris, Monday, Nov. 23, 2015. European Union President Donald Tusk has said it is a political duty to jointly fight extremism, calling it the “greatest challenge of our time.” Michel Euler AP