
Cracking down on border security may not spare Canada from Donald Trump’s promised 25-per-cent tariffs, his former White House national security adviser says.
John Bolton warns that Mr. Trump is serious about the tariffs because he sees them as good economic policy and not just a negotiating tactic. Last month, the president-elect threatened to impose the taxes against Canada and Mexico until the two countries stop migrants and fentanyl from crossing into the U.S.
