Trump camp doubling down its criticism against Mueller as Manafort trial begins

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Jury selection begins Tuesday at the trial of President Trump’s former campaign chairman, Paul Manafort. It’s the first case on charges brought through Special Counsel Robert Mueller’s investigation into Russia’s election interference. Meanwhile, Trump’s lawyer, Rudy Giuliani ramps up attacks against Mueller, accusing him, without evidence, of building a team biased against the president. NBC White House correspondent Kristen Welker reports for TODAY.