While much attention has been fixed on the southern border, a different kind of smuggling operation has been quietly thriving 5,500 miles to the north. And Canada’s failure to stop it is now a card the Trump administration is playing at the USMCA negotiating table. For too long, Canada has taken advantage of U.S. prosperity and security. President Donald Trump is ensuring the free ride ends. The illicit cigarette trade across the U.S.-Canada bo…