With examples of Russian-created Facebook pages behind him, Sen. Patrick Leahy, D-Vt., questions witnesses from social media companies during a hearing on Capitol Hill.
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German Chancellor Angela Merkel arrives at her Berlin party headquarters Friday for talks with members of potential coalition parties to form a new government.
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Then-candidate Donald Trump walks onstage at a presidential debate in St. Louis two days after a video was released, in which he is heard talking to Access Hollywood host Billy Bush about sexually assaulting women.