Here are Canada's biggest points of leverage in tariff and trade talks with the U.S.

OTTAWA — Four premiers have sent a letter to Prime Minister Mark Carney asking for more collaboration in federal judicial appointments in their provinces. Alberta Premier Danielle Smith, Saskatchewan Premier Scott Moe, Ontario Premier Doug Ford and Quebec Premier François Legault signed a joint letter released on Tuesday, which called for judicial appointments to courts of appeal and superior trial courts to be picked from a list of candidates recommended by provincial governments. “As Premiers from across Canada, we write jointly to advance reform to the process of appointments to...