Trump now crashing in 2020 as some fans bolt, echoing Trump U. debacle

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New 2020 polls from six key states show some Trump 2016 voters abandoning him -- imperiling his narrow coalition. MSNBC's Ari Melber reports on why both the loyalty and enmity among Trump fans is different than for other politicians; and Melber documents how Trump customers turned on his con in the "Trump University" case and explores the parallels to Trump's political standing today.