After Vladimir Putin sent the Russian army into Ukraine, there was a plethora of reports — some attributed to 'U.S. intelligence' — claiming that the occupant of the Kremlin had 'gone mad', or was 'ill'. Dismissing such speculation, I wrote here that Putin had not lost his marbles, and was the same gangster that he had always been: 'As for being ill: does he look frail, doddery, or even confused? I don't think so.' Unfortunately, these are legitimate questions to be asked of President Joe Biden, the leader of the free world, during the most dangerous tension between East and...