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 CTV Toronto: Bieber skips Toronto court appearance Americans taking a stand against 'Stand Your Ground' gun laws Snowden speaks out, says NSA data collection 'not consonant with Constitution' Families of Chinese passengers on vanished Malaysian airliner head to Kuala Lumpur Bieber a no-show at court but fans not dissuaded Aviation experts say missing Malaysia Airlines jet will be found Boston trolley derails, leaving passengers with minor injuries How will Ottawa react to Péladeau’s PQ candidacy? Five things we know about missing Malaysian Airlines flight 370 Madrid streets clogged with massive pro-choice rally Meet a cat that survived a fire, smoke and even bulldozing Listen in on Sarah Palin's conservative story time Ukrainian border patrol plane comes under fire near Crimea Questions surround Malaysia airliner disappearance Police search for children at centre of welfare case Ukrainian paratroopers, fighter jets prep for exercises Pope delivers prayer before leaving for spiritual retreat U.S. veteran honored 70 years after saying 'no thanks' to Purple Heart Thousands rally for Russia in Crimean capital Dozens of Massachusetts students arrested in early St. Patrick's Day party 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?