Tariffs are the reason. Over the weekend, President Donald Trump went ahead with his plan to put 25% tariffs on goods from Mexico and Canada. Millions of cars sold in the U.S. each year are assembled ...

Photo shows An image of a worker on a walkie-talkie in foreground blurry with large ship in focus in background.

Many steps must take place, including a breakdown of negotiations in upcoming mediation, before a strike could be called.