This from Dan Pfeiffer: Looking at the fundamentals, we shouldn’t even be in this race. This is a brutal political environment. Three-quarters of Americans think the country is on the wrong track. Two-thirds are unhappy about the economy. The incumbent President ran for reelection despite huge misgivings about his age and then had a debate so disastrous that he had to drop out only a few months before the election. Nate Cohn summed up the challenges in the New York Times: For the first time in decades, Republicans have pulled even or ahead in nationwide party identification. Polls also find Republicans with an edge on most key issues — with democracy and abortion standing as significant exceptions. The Democrats’ challenge appears to be part of a broader trend of political struggles for ruling parties across the developed world. Voters appear eager for change when they get the chance. The ruling parties in Britain, Germany, Italy, Australia and most recently Japan all faced electoral setbacks or lost power. Mr. Trump himself lost four years ago. France and Canada might well join the list. Trump should be running away with it. If Joe Biden was still on the ballot, Trump would likely be headed for an electoral landslide. The race is this close because of Kamala Harris. I will just say right here that I think that’s overstated. There are plenty of people who would have voted for a fetid pile of garbage over Donald Trump and I think this race would be close even if Biden had stayed…