President Joe Biden is not well. Nowadays this is a truism, but you will recall that once upon a time (and not too long ago in fact) it was forbidden to point this out in public, under threat of social censure. It was obvious enough to me back on August 16, 2021, when I watched with horror as he mumbled and fumbled his way through his Afghanistan withdrawal speech. Partisanship being what it is, people assumed I was upset about the policy itself when I said I couldn’t see him running for office…