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Congress Moves to Curb Trump’s Authority as He Weighs Strikes on Iran

Lawmakers are demanding congressional approval under the War Powers Resolution before any U.S. strike on Iran.

President Donald Trump speaks to reporters aboard Air Force One after departing early from the the G7 summit in Canada to return to Washington, DC, on June 17.
People stand in front of a building damaged by an Iranian missile attack in Ramat Gan, Israel, on Thursday, June 19.
As tensions rise with Iran, some members of Congress are attempting to claw back war powers authority from the presidency.
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Overview

  • President Trump is evaluating whether to authorize U.S. strikes aimed at disrupting Iran’s nuclear infrastructure in support of Israel’s campaign.
  • Rep. Thomas Massie and Rep. Ro Khanna introduced a bipartisan resolution to block any military action against Iran absent a formal congressional authorization.
  • Sen. Tim Kaine is leading efforts to repeal the 2001 AUMF, arguing that targeting Iran’s nuclear program falls outside its legal scope.
  • The War Powers Resolution requires the president to notify Congress within 48 hours of using force and to end deployments after 60 days without legislative approval.
  • Senators remain divided over whether the Constitution permits the president to unilaterally order limited strikes, highlighting ongoing war powers ambiguities.