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 Bald eagle undergoes extensive surgery in B.C. Florida's homeless-hotel problem overshadowed by Disney tourism boom South Korea releases footage of underwater ferry search Watch as rescue teams save injured crewmen stuck at sea Firefighters injured in Toronto-area industrial explosion Man who killed cop with snowplow 'still dangerous', Widow says South Carolina man apologizes for naked walk through Wal-Mart NATO ships sent to Baltic Sea to bolster defense in region Calgary stabbing suspect held for psychiatric assessment 'Cowboy Indian Alliance' says no to Keystone Snowy Owls draw crowds at Experimental Farm in Ottawa Study shows that nine out of 10 Texans support pot legalization Nigerian schoolgirls still missing a week after mass abduction Affluent prep school grads arrested for running complex drug ring Inquiry begins for cop charged in death of Sammy Yatim Despite passing out, teen survives flight to Hawaii in plane's wheel well Raw footage captures rampaging leopard attacking crowd in India Crowd goes wild for childhood photos of Kim Jong-un Toronto woman wakes up to find python in bathroom In Kiev, Biden warns of 'humiliating threats' 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?