Moderate Democrats are having a tough time accepting Bernie Sanders as the front-runner. But he's electable, and Trump is vulnerable, so SE has a word of caution to the Never-Sanders sector of the Democratic party who should learn the lesson of 2016's Never-Trumpers. CNN's David Axelrod joins Unfiltered to discuss. And, a candidate can't ALWAYS be held responsible for EVERYTHING their supporters do or say, but some of Sanders' supporters took it to another level in a feud with a powerful union. Nevada is next up in the primary race, as a key test for Buttigieg and Biden. Bloomberg has baggage, but can he buy his way into Democrats' hearts and minds? The Atlantic's McKay Coppins joins to break down the Trump campaign's coordinated use of misinformation on social media.

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