Ad campaigns launched for and against Keystone pipeline Add to ... CTV News 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: More storms lash Texas after severe weather kills 16 Video captures moment Japanese volcano erupts Toronto says goodbye to Captain John's Aerial footage captures scale of Oklahoma flood California beaches closed over mystery 'tar balls' Alberta wildfire threat grows as blaze moves toward oil sands Toronto Mayor John Tory not concerned about hot housing market New York judge asked to declare chimpanzees 'persons' U.S. admits live to accidentally shipping live anthrax bacteria Putin says FIFA arrests show U.S. meddling abroad Justin Trudeau, Tom Mulcair question Harper's sincerity on CPP expansion After 30 years on the lam, mafia boss' freedom ends in Brazil Fugitive former LAPD officer caught in Mexico Tories looking at voluntary CPP add-on contributions 'I was thinking I was about to die': Wizard of Oz moment for kids in Florida bounce house Missing elderly woman found alive next to husband's body Houston mayor: Flooding areas 'still dangerous' 'Get this done': Obama to Senate about renewing Patriot Act Homicide probe to be launched into B.B. King's death: officials Volcano erupts on Galapagos island home to unique pink iguanas 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?