Ad campaigns launched for and against Keystone pipeline Add to ... CTVNews Video Published Monday, Apr. 08 2013, 2:50 AM EDT Last updated Thursday, May. 02 2013, 11:12 AM EDT More on the commercials produced by Keystone pipeline critics, and the pro-pipeline ads from the Alberta government. Watch More Video: Ad campaigns launched for and against Keystone pipeline Jay Leno says he's feelings restless in retirement Malaysia defends search for missing jet Firefighters respond to reports of building collapse in New York Measles outbreak in B.C. reignites vaccination debate Man told to leave a Tim Hortons because of his mobility scooter Louisiana man goes free after decades on death row Olivia Chow to join Toronto mayoral race UConn Suspends Sorority, Frat in Hazing Probe Obama shops at Gap, calls for minimum wage increase Peladeau's political rival unfazed by media mogul Lac-Mégantic mayor pushes for U.S. rail reforms Yanukovych says he is 'the only legitimate president of Ukraine' Ukraine's Crimea seeks independence Bomb explodes near Israeli embassy in Cairo, no one hurt Goodbye warm weather, another winter storm headed for Toronto Canada-Korea free-trade agreement: First of many? Grass fires burn across Oklahoma plains Péladeau: a star candidate, but not without flaws Investigators confirm Malaysia flight changed course before vanishing Man accidentally sets himself on fire while trying to torch car 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?