U.S. President Donald Trump leveraged trade talks this week to get Canada to back off the digital services tax. Now, his sights might be on the system that protects Canada's dairy industry, known as supply management. Bloc Québécois agriculture critic Yves Perron says the federal government will have to 'pay the political price' if it decides to walk back on a newly passed bill designed to protect supply management from being used as a bargaining chip in trade negotiations.
