reveal this hour the king is hosting the prime minister and the leaders of our devolved nations in windsor castleht, and even some of them are staying for a sleepover. imagine the pyjamas. so what's going on? is the king's increasing involvement in politics a risk to the monarchy, which normally remains above the political fray? i'm joined now by the former royal butler to the king when his prince of wales grant, harold grant. is this a difficult water for the king to be swimming in? it's getting more and more political. >> thank you for having me on. you're right. there's always been this fine line. i think you agree with this historically, where the king, even as prince of wales, there was certain people would say that he got too involved in politics. and it is a fine line because obviously, as king, part of his duty, his job is meeting with the prime minister every week, which is what his late mother did. obviously, it's an opportunity. the prime minister has always said, especially with the late queen, it was a chance for them to be able to kind of share their views, their feelings and get he