Presented by John Humphrys and Sarah Montague. The Competition Commission's report on the future of BAA's airports has concluded that it will need to sell Stansted and either Glasgow or Edinburgh. Christopher Clarke, of the Competition Commission, and Colin Matthews, chief executive of BAA, examine the extent to which this will level the playing field when it comes to competition between the UK's airports. The British actress Natasha Richardson has died after sustaining head injuries whilst on a skiing holiday in Canada. Peter McCabe, chief executive of Headway, discusses brain injuries. David Willetts, Shadow Secretary for Innovation, Universities and Skills, discusses what he thinks might be the financial blunders made by the Learning and Skills Council. Stefanie Marsh from the Times and Florian Klenk, of Austrian paper Falter, discuss the differing media responses to the Josef Fritzl case and what they signify. Tony Wright, of the Public Administration Select Committee and Paul Braithwaite, of the Equitable Members' Action Group, discuss the report into the government's handling of the problems at Equitable Life. Philosopher Professor Roger Scruton and design consultant Stephen Bayley debate if Britain has become indifferent to beauty. Thought for the day with Reverend Giles Fraser. Professor John Beddington explains how population increase will put huge strains on food and water supplies. Kim Catcheside reports on the errors that led to the college funding chaos. Minister for Further Education Sion Simon says the government is urgently trying to find out how the situation arose. Reporter Michelle Robinson looks back at the life and career of actress Natasha Richardson. The reversal of Sean Hodgson's murder conviction after 27 years in prison signalled the end of one of the longest miscarriages of justice in legal history. Chief Constable Peter Neyroud and journalist Bob Woffinden discuss how the investigation can move forward. Dr James Hansen from NASA and Sir Leszek Borysiewicz of the Medical Research Council discuss whether scientists have an obligation to present people with the facts and remain impartial or are right to speak out on contentious issues such as climate change. Reporter Sanchia Berg travels to Swindon, one of the towns worst affected by unemployment. Correspondent Kevin Connolly discusses the enduring appeal of Blues music with veteran Mississippi guitarist T-Model Ford. The Public Accounts Committee is to publish a report recommending a review of public funding for Trident. Defence economist Professor Ron Smith and Commander John Muxworthy, of the National Defence Association, examine the implications for the country's security.