Congress US Iran
Secretary of State Marco Rubio speaks to reporters as he arrives for an intelligence briefing with top lawmakers on Iran, at the Capitol in Washington, Monday, Mar. 2, 2026.
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The U.S. Senate is headed towards a vote on President Donald Trump’s decision to embark on a war against Iran. It's an extraordinary test in Congress for a conflict that has rapidly spread across the Middle East with no clear U.S. exit strategy. The legislation is known as a war powers resolution. It gives lawmakers an opportunity to demand congressional approval before any further attacks are carried out. The votes marked a weighty moment for lawmakers. Their decisions on the five-day-old war — which Trump entered without congressional approval — could determine the fates of U.S. military members, countless other lives and the future of the region.
