PrimeTime Politics Jim Prentice has resigned as environment minister, and is leaving Parliament at the end of 2010 for a senior position with CIBC. He joins Peter Van Dusen to discuss his decision to leave politics. More reaction to Ottawa’s denial of the PotashCorp takeover bid by BHP Billiton, including an interview with NDP Leader Jack Layton, who introduced a motion calling for greater openness in foreign investment reviews. Ian Lee, MBA director of Carleton University’s Sprott School of Business, also comments on the decision. Party strategists Kathleen Monk (NDP), Don Moors (Liberal), and Tim Powers (Conservative) analyze the latest political developments on Parliament Hill. Andrew Cohen, president of the Historica-Dominion Institute, discusses We Were Freedom: Canadian Stories of the Second World War, a new book being released as part of the organization’s Memory Project. Joining him is Second World War veteran Louis Howard, who is featured in the book. Also: Toronto Police Chief Bill Blair is questioned on G20 summit costs by MPs on the Standing Committee  on Government Operations and Estimates British Columbia Premier Gordon Campbell discusses his sudden resignation during a news conference