It appeared that Canada was on speaking terms with the United States until American President Donald Trump caught wind of a Digital Sales Tax. In a matter of hours, Trump had disintegrated future conversations between the two parties. It sounds like he isn't too keen on taking calls from Canada, either. Should the Carney regime retaliate, walk away, or make an attempt to quietly resume communications? CFRA's Andrew Pinsent welcomes Postmedia columnist Warren Kinsella, GZero Media contributor Tasha Kheiriddin, and Traxxion Strategies President Karl Belanger to the Sunday Political Panel. The next edition of the Sunday Panel will air on Sunday, September 7th.