Yes, it’s certainly not easy to check facts live. But you can at least be well prepared, especially as the questions are asked by the journalists and they should also know the usual claims made by the candidates. I also don’t think it’s necessary to check every figure. I just mean that it makes sense to name obvious false statements as such - Trump has made enough of them, and most of them were anything but new. And yes, it is of course also true that there are fact-checks after the fact, but I think that this is often not noticed at all. The presidential debates are an event that many people watch, but unfortunately only a few inform themselves afterwards. That’s why I think it’s necessary to expose at least the grossest untruths immediately.