Okay, so Joe Biden is proving such an embarrassment that he can’t be trusted to remain plausibly coherent for the 14 long moths until the election. And Kamala Harris, the Great Intersectional Hope, is so transparently phony that voters are abandoning her. Meanwhile, Bernie Sanders is no longer the anti-Hillary alternative that he was in 2016, and his cranky persona is wearing thin.So, what’s a member of the Democrats’ gentry – the educated professional classes – to do? Steven Hayward of Powerline, a very astute observer, thinks that Elizabeth Warren is the next candidate who will take the lead....