Newsnight

Jeremy Paxman is joined by General Sir Mike Jackson, former US legal advisor William Taft, and leading QC Philippe Sand to discuss the legality of the Iraq War. Ahead of the budget, science editor Susan Watts asks whether a few green taxes will really change anyone's behaviour. Also, Michael Crick investigates what happened to the Civil Serf, the online blogger believed to be a disillusioned civil servant who this weekend suddenly disappeared from the web.