I generally respect Mort Kondracke. He leans left, but has some common sense. The statement below is worth repeating and is in line with other senior political commentators on the left—Thomas Friedman for instance. The rest of Kondracke’s article is blather.
Mort Kondracke:
“…If the Democratic Party keeps surging to the left and nominates a 2020 candidate who can be credibly labeled “socialist,” “radical” or just far out of mainstream, it will not only reelect Donald Trump, but unleash a cascade of nightmares on itself and the nation…”