Canadian Prime Minister Justin Trudeau spoke with President-elect Trump Monday night, calling for increased cooperation as the incoming president threatens a broad 25 percent for what he says is Canada’s complicity in allowing drugs and migrants to enter the U.S. Meanwhile, China responded to a similar Trump tariff threat by defending actions it has taken aimed at stemming the flow of fentanyl from China to the U.S. Trump on Monday night promised to impose a 25 percent tariff on all...