Politico reports:

Something’s happening with Bernie Sanders that looked unlikely to many a few months ago: Progressive leaders and organizations are lining up behind him, not Elizabeth Warren, in the lead-up to voting.

Two groups run by young people — the Sunrise Movement, which seeks to combat climate change, and Dream Defenders, which advocates for people of color — endorsed him last week. He’s also won the backing of People’s Action and the Center for Popular Democracy, which together claim more than 1.5 million members, as well as three lawmakers in the so-called “Squad” and liberal-minded labor unions.

The consolidation of left-wing support is a remarkable turnaround for Sanders. In September, the Working Families Party became the first major national progressive group to endorse a candidate when it picked Warren — despite siding with Sanders in 2016. Warren was surging at the time, and looked poised to overtake Sanders as the leader of the progressive movement and a frontrunner for the nomination.

But now it’s Sanders with the wind at his back. The endorsements, on display here Sunday when Rep. Rashida Tlaib and the Sunrise Movement joined him for a rally attended by more than 900 people, are giving him a jolt of momentum weeks ahead of the Iowa caucuses and supplying him with fresh volunteers in key areas. [Continue reading…]