President-elect Donald Trump on Monday promised massive hikes in tariffs on goods coming from Mexico, Canada and China starting on the first day of his administration, a policy that could sharply increase costs for American businesses and consumers. The move, Trump said, will be in retaliation for illegal immigration and “crime and drugs” coming across the border. “On January 20th, as one of my many first Executive Orders, I will sign all necessary documents to charge Mexico and...