What to know about Trump's 50% tariffs on Canadian goods that just went into effect

After trade negotiations crumbled at the eleventh hour, U.S. President Donald Trump’s 50% tariffs on scores of Canadian imports kicked in Saturday. The new levies are expected to affect about 5% of Canada’s annual exports to the U.S., roughly $20 billion in goods ranging from hockey sticks to agricultural products. Canada’s Prime Minister Mark Carney quickly promised Saturday tha