US President Donald Trump speaks during a Working Breakfast with Governors at the White House in Washington, DC on February 20, 2026. (Photo by Mandel NGAN / AFP) The US Congress is scheduled to vote this week on motions seeking to curb President Donald Trump as he wages war against Iran, but the Republican majority will probably shield him. Trump has sought to expand executive power dramatically since returning to the White House in 2025, overshadowing the legislature. So some lawmakers now want to reassert the role of Congress, which under the US constitution is the only body that can declare war. “Trump has launched an unnecessary, idiotic, and illegal war against Iran,” Senator Tim Kaine wrote on X shortly after the United States and Israel began it overnight Friday into Saturday. ...