Canada Slaps Retaliatory Tariffs On U.S. 5:26pm July 01, 2018 Share URL copied to clipboard! Copyright 2018 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered National 'Marfa for Beginners' podcast welcomes you to the art town National A conversation with the Derby's 1st Black trainer in over 30 years 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate