Sen. Tim Kaine (D-Va.) (C) speaks alongside Senate Minority Leader Charles Schumer (D-N.Y.) (R) and Sen. Peter Welch (D-Vt.) at a press conference at the U.S. Capitol in Washington on April 2, 2025. Kevin Dietsch/Getty ImagesIn a Wednesday evening vote, four Republicans in the U.S. Senate joined with Democrats to challenge President Donald Trump’s authority to impose additional tariffs on Canada.The 50–46 vote on Sen. Tim Kaine’s (D-Va.) measure included defections from Sens. Susan Collins (R-Maine), Mitch McConnell (R-Ky.), Lisa Murkowski (R-Alaska), and Rand Paul (R-Ky.).





