Getty Images The Peace Bridge between Port Erie, Ontario, and Buffalo, New York, carries more than one million trucks, and more than five million cars, every year As Americans prepare to vote for their next president, Canadians and Mexicans are watching on nervously. For some Canadians living next to the US border, politics isn’t a topic often discussed. “You don’t talk politics and you don’t talk religion,” says 85-year-old Ernie,