The day-to-day making of policy is arguing all the time. You're trying to get the right approach and the right answer, and there are moments that aren't very pleasant. But in the end, you look at the overall product.
You just worry that your time is up. It's not that people suddenly go, 'Oh, actually they're not very good any more,' but sometimes, well, your time is up. There are a lot of actors out there who just disappear.