There’s always been an internal debate when thinking about President Joe Biden – you have to wonder whether he does or says something because he’s a liar or because he’s genuinely stupid. This extends back to when he was a Senator, too. Now you have to add a third option: senile. It’s tough to tell if he walks off stage with other world leaders without shaking their hands because he’s an aloof ass who looks down his nose at others or because he’s unaware of where he is. There’s no real way to know, but it’s probably safest to bet...