NPR's Michel Martin talks with former Canadian Deputy Prime Minister John Manley about Prime Minister Mark Carney's visit to the White House and how Canada plans to respond to Trump's tariffs.

Canadian Prime Minister Mark Carney won his election pledging to push back against President Trump. On Tuesday, the two leaders are scheduled to meet at the White House.

Trump and Canadian Prime Minister Mark Carney are set to meet today as tensions between their two countries rise. And, the ...