This week on The House guest host Chris Hall talks with MPs Laurie Hawn and Bob Rae about Canada's possible future role in Afghanistan; Chris discusses Canada's Middle East policy with Janice Stein, Director of the Munk School of Global Affairs; and Chris explores the fallout of the BHP-PotashCorp story Down Under when he talks with Justin Brown, Australia's High Commissioner to Canada; finally, reporter James Cudmore tells us the story behind Governor General David Johnston's new Coat Of Arms.