French President Francois Hollande, second from left, and German Chancellor Angela Merkel, right, join other dignitaries, heads of government and heads of state as they march during a rally in Paris, Sunday, Jan. 11, 2015. More than 40 world leaders, their arms linked, marched through Paris Sunday to rally for unity and freedom of expression and to honor 17 victims of three days of terrorist attacks. (AP Photo/Francois Mori)
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