The whirlwind around the U.S. president halting trade talks with Canada over Ontario's anti-tariff ad reached the House Tuesday as Conservative Leader Pierre Poilievre questioned whether the prime minister should have stopped the ad from airing. The Power Panel discusses the political blame game surrounding the ad ahead of next week's federal budget. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/