Presented by John Humphrys and Justin Webb. Prof John Salt discusses the growth of the UK population by 408,000 in 2008. Torin Douglas reports on James Murdoch's James MacTaggart Memorial Lecture, 20 years after his father, Rupert, gave the same keynote address. Afghan expert Michael Semple says the idea that President Hamid Karzai won 70 per cent of the vote in the Afghanistan elections is a fairy story. Martin Parry discusses whether governments will be willing to invest 300 billion pounds a year to cope with climate change. A US woman found after being abducted as a girl in 1991 gave birth to two children fathered by her alleged kidnapper. Rajesh Mirchandani reports on how Jaycee Dugard was kept isolated for so long. Correspondent Jon Leyne reflects on the confessions made by opposition leaders during trials in Iran. Thought for the Day with John Bell of the Iona Community. Broadcaster Andrew Neil and Dawn Airey, chief executive of Five, discuss how Sky TV has influenced television over the last 20 years. Nurses Bob Purcell, Maureen Hamilton and 'Rachel' discuss their profession, following a report into NHS care. Author Rose Prince and contributor Pamela Caff discuss the updated version of the wartime classic, Make Do And Mend, which has been issued for today's recession-hit generation. Criminal psychologist Dr David Holmes discusses the mental state of the alleged kidnappers of Jaycee Dugard, a US woman found after being abducted as a girl in 1991. Former defence secretary Sir Malcolm Rifkind and Major General Patrick Cordingley discuss the challenge facing new army chief General Sir David Richards. Correspondent James Fletcher considers whether or not there is still a market for Polaroid pictures in a digital age. Iranian state television will show more defendants sitting in rows in a courtroom in Tehran, as they face trial for taking part in a plot to undermine the Islamic Republic. Mansour Farhang, revolutionary Iran's first ambassador to the UN, considers whether Iranians would be surprised by allegations that these defendants have been tortured.