Elizabeth Warren's Fail on 'Medicare for All'

The clear loser of the Democratic primary is "Medicare for All."

First, it demonstrated the unreliability of Kamala Harris out of the gate, when she endorsed it before quickly backing off. Now, it has blunted the momentum of Elizabeth Warren, made a mockery of her claim to be an uber-wonk and shredded her implicit appeal to Bernie Sanders supporters as an equally committed left-winger without the baggage.

Under pressure for weeks for details related to her version of the proposal, Warren has now backed all the way down to promising to pass Medicare for All by the end of the third year of her p...