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: Canada Post blames tablets for mail decline Why is Mike Duffy saying hi to everyone? Georgia woman has 1 of 2 winning lottery tickets 22 Rob Ford apologies in 90 seconds Tom Mulcair touts NDP as ready to lead First train since disaster rolls through Lac-Mégantic Russia passes amnesty bill, Pussy Riot expected to be freed Toronto commuters forced off TTC train Wednesday morning 'Great Train Robber' Ronnie Biggs dies aged 84 Two Mega Millions jackpot-winning tickets sold Memories of Terry Fox’s Marathon of Hope, as told through his belongings Pamela Anderson causes stir with seal hunt protest Thousands protest Ukraine's deal with Russia Amateur video shows scale of massive apartment fire in Kingston B.C. gang leader to serve three years of 12-year sentence Prominent gay rights magazine hails Pope as 'Person of the Year' Raw footage captures incredible crane rescue by helicopter in Kingston $636-million lottery jackpot in U.S. history has players dreaming big Rob Ford, councillors participate in holiday dance break at city hall Snowden offers to help Brazil on U.S. spying 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?