Ad campaigns launched for and against Keystone pipeline Add to ... CTV News Published Monday, Apr. 08, 2013 2:50AM EDT Last updated Thursday, May 02, 2013 11:12AM EDT More on the commercials produced by Keystone pipeline critics, and the pro-pipeline ads from the Alberta government. Watch More Video: Palestinian killed after stabbing Israeli Life ring found in missing ship search Relatives of an Oregon shooting victim speak out South Carolinians kayak in streets after Joaquin's deluge Close encounter with Syria missile strike caught on camera Palestinian kills two in Jerusalem, then shot dead Harper says marijuana is 'infinitely worse' than tobacco U.S. 'may have hit Afghan hospital' B.C. health officials are warning flu vaccine will under-perform Shooting victims in stable condition at hospital Kenney says the niqab represents a 'misogynistic view of women' Oregon Governor calls for conversations on gun control Drunk driving suspect 'devastated' by fatal crash: Lawyer Grey whale spotted off Vancouver shore, gives kayaker once-in-a-lifetime experience Bear tranquilized in tree near B.C. school Man retires after 35 years of work, without a single sick day This glass bridge gives you a 591-foot view out the bottom Listen to the emergency call from the Oregon shooting Vigil held for family devastated by Ontario crash Opposition leaders outline focus for final election debate Comments AA More Related to this Story energy Video: Athabasca spill adds to Alberta oil's image problem Energy Video: Where do average Americans stand on the Keystone pipeline?