US's most Canadian town is stuck in the middle of a trade war

Point Roberts, Washington, is about as Canadian as a US town can get. Littered with streets named after Canada's provinces, its gas stations sell by the litre and about half of its 1,000 residents hold dual citizenship. Its sole grocery store, the aptly named International Marketplace, keeps both American and Canadian dollars stocked in its till. That till hasn't been getting much use in recent months. Ali Hayton, the International Marketplace's owner, estimates business is down by 30% amid an unprecedented dip in Canadian visitors. "We're hanging on by a thread," she said. Regions dotting the 49th parallel are feeling…