 He has performed perfectly well when he's given remarks and speeches with the help of a teleprompter. But this, of course, is a very different kind of test with him having to think on his feet. And you might think it hardly sounds very remarkable. A politician gives a press conference. Don't they do that all the time? Well, Joe Biden does it very, very infrequently. He clearly doesn't enjoy it very much. He hasn't done one since November.