New low: MAGA crowd chants 'lock her up' after Clinton bomb attempt

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The FBI is investigating a series of pipe bombs that were sent to several prominent Democrats, including to billionaire financier George Soros. Tom Steyer, a billionaire Democratic donor tells Ari Melber that “political violence” is the “inevitable result” of Trump and the GOP’s rhetoric and says he is “concerned” for the safety of those he works with, but “we can’t let this kind of terrorism change our participation” in the political process.