How old is too old?
Joe Biden's disastrous performance in the first head-to-head live TV debate of the US presidential race has left Democrat officials and media commentators reeling. In what The Hill trenchantly, if unkindly, described as "a 90-minute senior moment" the 81 year-old sitting president and Democrat candidate appeared confused and rambling in his responses. Even Donald Trump looked surprised, commenting on one Biden answer "I really don't know what he said at the end of that sentence. And I don't think he knows what he said either." It was excruciating and deeply saddening to watch. A kind and decent man Biden may well be but to see him go into meltdown at such a critical moment was little short of tragic - for America and the world. Senecence isn't necessarily a problem for a head of state (think of the late Queen at 96) but senility - or the appearance of it - certainly is. Within the last hour Biden has said that he will not give way. Frankly, it shoul