The early boom for 2020 Democrats' left turn is yielding to moderate muscle as Elizabeth Warren falls, Joe Biden persists and Pete Buttigieg rises.
What's happening: Poll after poll shows voters like the idea of Medicare for All. But the second you tell them about costs and tradeoffs, they turn on it.
Why it matters: A harsh spotlight on Warren's specifics collided with Mike Bloomberg's massive spending on a moderate message, as well as rising angst among donors and investors about risks of Warren-Sanders socialism.
