DOJ Insider: Trump Russia asset probe blows line 'to smithereens'

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The FBI is formally probing whether Donald Trump is a Russian asset and there are new reports about Trump tampering with potential evidence and witnesses in that very probe. Former U.S. Acting Solicitor General, Neal Katyal, tells Ari Melber that Trump’s nominee for Attorney General is “famous” for his “ridiculous constitutional views” and the implications for both the Mueller probe and the Southern District of New York.