At the Liberal Leadership Convention, the candidates deliver messages of unity; on World AIDS Day, Ottawa pledges over $250 million dollars funding to help fight AIDS; Linda Sims details the US survey that shows employers are increasingly wanting sick employees to stay home; a typhoon in the Philippines triggers mudslides; 12 U.K. locations have shown traces of radiation similar to those that killed former Russian spy Alexander Litvineko; Paul Wells, the author of Right Side Up: The Fall of Paul Martin and the Rise of Stephen Harper's New Conservatism talks about his new book in light of the Leadership Convention; Anthony Zuiker, creator of the CSI franchise, drops by to talk about the success of that show and the new board game based on CSI; Richard Crouse reviews new theatrical releases The Nativity Story, Turistas as well as Superman Returns, now out on dvd; Jancis Robinson tells us what to look for when tasting a wine.