The Christmas TV ratings - who's really come out on top? What are going to be the most pressing issues for the BBC's new DG ? Plus as a film about veteran war photographer Don McCullin is released, we examine the role of photojournalists with Sarah Baxter Editor of the Sunday Times Magazine and photojournalist Sean Smith. And following the death of cricket commentator Christopher Martin-Jenkins the Telegraph's radio critic Gillian Reynolds talks about the art of sports commentary.