Newsnight might be better of with a younger presenter. Paxman started when he was around 40. Wouldn't be a better idea to have Emily Maitlis as a new lead presenter? Or perhaps even someone completely different.
If I had to choose a replacement, it would definitely by Emily. Wouldn't mind Jon Sopel giving it a go though.
Oh no, please don't let Jon Sopel anywhere near Newsnight. I really don't like him as a presenter. In fact I turn BBC off everytime he is on. He comes across as very rude. I remember a few years ago, he was presenting from outside Westminster for a special event, I can't recall what it was, and when he finished talking to someone, he told them to shove off as there wasn't much room on the platform they were working from.
No, anyone but Sopel.