As the Great Storm hits the UK, David and Catherine hunker down for a chat about Serena Williams' victory at the WTA Championships, the sight of Dimitrov playing Federer, and a massive prediction made at 30 seconds notice. 

Laura Robson needs a coach. Martina Navratilova wants to be a coach. Is it a perfect match? Andy Murray is out for the season. Will he ever reach No.1? Roger Federer can't hit a barn door at the moment. Should he retire? And what was he like when he was young? We speak to the man that he grew up idolising, and who beat Federer in his first final.