Donald Trump says he knows things that would be very damaging to Jon Tester. Like, what?

Donald Trump says he knows things that would be very damaging to Jon Tester. Like, what?  CNN The Thin Line Between Loyalty and Self-Preservation  Bloomberg Ronny Jackson out as president's personal doctor: Source  ABC News Ronny Jackson won't return to old job as Trump's physician  Politico Witcover: Trump's VA nominee takes his bizarre advice  Baltimore SunFull coverage

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