Breaking down Canada's retaliatory tariffs against U.S.

Canada announced that it is imposing tariffs of up to 50% on about $20 billion of U.S. imports in an effort to match the Trump administration's newly announced levies on Canadian imports.. CBS News chief White House correspondent Nancy Cordes has the latest.

Canada announced that it is imposing tariffs of up to 50% on about $20 billion of U.S. imports in an effort to match the Trump administration's newly announced levies on Canadian imports.. CBS News chief White House correspondent Nancy Cordes has the latest.