From Bernie's "magical thinking" to the campaign not really having anywhere near 1 million volunteers, lots of news—and lessons—here.
statuscoup.com/inside-bernie-…
Another said 2016 campaign manager Jeff Weaver was the "de facto second campaign manager"—which caused lots of issues early on.
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“Like, don’t insult the voters. There are a lot of people who actually do support Medicare For All but who, they identify with the blue team"
“It was an example of the establishment screamed, and the campaign backed down."