The core debate among 2020 Democrats: How progressive is too progressive to win?

… Given Trump’s success and given the number of 2012 voters who stayed home, is it possible to put together a campaign that energizes infrequent Democratic voters, doesn’t turn off those Democrats who vote regularly — and doesn’t further energize Republicans? Can the Warren-Sanders strategy of whipping up the progressive left deliver the White House? Is the era of the moderate advantage over? CONT.

Philip Bump, Washington Post