A bridge at the center of trade tensions

From the BBC World Service: President Trump says he'll prevent a multibillion-dollar bridge linking Canada and the United States from opening unless Canada compensates the U.S. In a lengthy social media post complaining about Canadian trade practices, Trump suggested the U.S. should own half of the Gordie Howe International Bridge, which connects Ontario and Michigan. We'll hear the latest. Plus, how have farmers been dealing with disruption to export markets resulting from Trump's tariffs?