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: Rachel Notley's victory speech after sweeping the polls Looking at Alberta's new NDP caucus Alberta PC Leader Jim Prentice bids farewell to politics B.C. firefighters describe Nepal earthquake devastation New North Korean video shows forces practicing 'for wiping out the U.S. and their allies' Justin Trudeau's economic plan comes under fire On TV, vegetarianism and something called a 'chiweenie': Weird facts about Alberta's leaders Take a virtual flyby tour of Montreal's new Champlain Bridge reaking down what an NDP win could mean for Alberta Chris Brown named as suspect following assault at basketball game Five paintings missing since WWII returned to Germany Raw footage shows tense rescue off sinking migrant dinghy Third majority for Prince Edward Island Liberals Oil and gas industry braces for Alberta election results Anti-racism protest in Israel turns violent Harper helps veterans mark 70 years since surrender of Nazi Germany Justin Trudeau unveils Liberals’ economic plan, plans to raise taxes on wealthy Justin Trudeau's plan to ease tax burden on middle-class Neurosurgeon Ben Carson announces White House bid FBI searches home, car of Texas shooting suspects 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?