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Senate defeats 7th attempt to limit Trump's Iran war powers, despite new GOP defection

The 49-50 vote marked the latest Democratic effort to curb war powers as Lisa Murkowski joined two other Republicans in support.

  • On Wednesday, May 13, 2026, the U.S. Senate narrowly defeated a resolution aimed at curbing President Trump's military authority in Iran, marking the seventh failed attempt by Democrats since the conflict began in February.
  • The motion to discharge the resolution failed by a narrow 49-50 margin. Despite the loss, the vote represented the closest challenge to the President's war powers yet, reflecting growing anxiety in Congress over the conflict's legal status.
  • Senator Lisa Murkowski joined the Democratic-led effort for the first time, breaking from her previous opposition. She stated that after the 60-day legal window for congressional authorization expired in early May, she expected "more clarity" from the administration but felt it was now time to discuss Congress's constitutional responsibilities.
  • Murkowski joined longtime Republican dissenters Rand Paul and Susan Collins in voting to advance the measure. Conversely, Senator John Fetterman remained the sole Democrat to vote against the resolution, maintaining his consistent support for the administration’s military stance.
  • Democrats argue that the President is in "clear violation" of the War Powers Resolution of 1973 because the 60-day deadline for authorization passed on May 1. The White House continues to dispute this, arguing that the "clock was paused" because the current ceasefire technically terminated active hostilities.
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The war with Iran has become one of the most sensitive issues of Trump’s second term, especially for rising energy prices

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US Senate blocks latest bid to rein in Trump Iran war powers, support ...

·United Kingdom
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The New Republic broke the news on Wednesday, May 13, 2026.
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