(Video: Meg Kelly/The Washington Post, Photo: Jabin Botsford/The Washington Post)
What you need to know about Fusion GPS, the Trump dossier and Russian interests
Fusion GPS is an opposition research firm run by ex-journalists, but how is it connected to the Trump dossier, Donald Trump Jr.'s Trump Tower meeting and the 2016 election? The Fact Checker's Glenn Kessler explains.
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