May 9, 2008 PrimeTime Politics Weekend This week, join Martin Stringer and his journalist guests: Louise Elliott , reporter and regular contributor to CBC Radio's " The House ", and John Geddes , Ottawa Bureau Chief for Maclean's magazine. They'll discuss: A Tale of Two Narratives : For months now, the opposition has been portraying the Harper government as secretive, ethically-challenged, unaccountable and unconcerned with job losses and the environment. The government says its record is one of responsible economic management, concrete action on the environment, native concerns and health care, as well as a "get-tough" approach to crime. What do Canadians make of these conflicting messages? The Liberals and a "carbon tax" : Liberal strategists are working on a plan to tax carbon emissions - reducing income taxes while raising taxes on emissions by businesses and individuals. Reports say they will unveil the details of the...