Canada, the U.S. and Mexico are due to review their three-way trade deal July 1 — but one month out, how are things looking for this country? Former acting U.S. Trade Representative in President Trump's first term, Stephen Vaughn, shares the American perspective; and Brian Clow, who handled Canada-U.S. relations as deputy chief of staff to former Prime Minister Justin Trudeau, and Jacques Shore, partner at law firm Gowling WLG and expert on international trade, map out the potential path forward for Canada