April 29, 2008 PrimeTime Politics Robert Fox , Executive Director of Oxfam Canada, explains why the production of biofuels such as ethanol is proving detrimental to the world's food supply. MPs also examine the political ramifications as the House of Commons prepares to vote on a bill requiring five percent of all fuel come from plant sources by 2010. Liberal Party MP Bob Rae speaks about his party's fortunes and the possibility of a spring election. Bloc Quebecois leader Gilles Duceppe explains why he has proposed a motion calling on Parliament to express its "full and total confidence" in Elections Canada. Journalists Elizabeth Thompson (Montreal Gazette) and Joel-Denis Bellavance (La Presse) discuss the issues making news on Parliament Hill.