- Ahead of expected Trump tariffs, Senators Coons and Kaine introduce legislation to require congressional approval of new tariffs on U.S. allies: 25% tariffs expected to go into effect against Mexico and Canada Saturday, damaging relations with our two closest allies. https://www.coons.senate.gov/news/press-releases/ahead-of-expected-trump-tariffs-senators-coons-and-kaine-introduce-legislation-to-require-congressional-approval-of-new-tariffs-on-us-allies 91 comments politics