Paul Krugman: No Right Turn

All the experts tell us not to pay too much attention to polls for another week or two. Still, it does look as if Hillary Clinton got a big bounce from her convention, swamping her opponent’s bounce a week earlier. Better still, from the Democrats’ point of view, the swing in the polls appears to be doing what some of us thought it might: sending Donald Trump into a derp spiral, in which his ugly nonsense gets even uglier and more nonsensical as his electoral prospects sink.

As a result, we’re finally seeing some prominent Republicans not just refusing to endorse Mr. Trump, but actually declaring their support for Mrs. Clinton. So how should she respond?