 some distance away or not. So hard to know how that's going to work, but essentially this is an effort by CNN, the host of this debate, to control the candidates and attempt to avoid what we've seen in previous years, that kind of constant barracking. People will be watching very carefully to see how that works. Many thanks. We look forward to the event. John Sudworth, the BBC's North America correspondent in Atlanta, Georgia. Thanks for listening to this edition of NewsHour. Join us again soon if you can. Bye-bye for now from the whole team.