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Senate Challenges Trump’s War Powers Amid Renewed Threats of Iran Strikes

Lawmakers move to curb military authority as Trump warns a 'big hit' could come within days if negotiations fail.

May 20, 2026 at 2:00 AM

The U.S. Senate has escalated the domestic political stakes of the Iran crisis by advancing a war-powers resolution aimed at curbing President Trump’s ability to conduct military operations without explicit congressional consent. The 50-47 procedural vote saw four Republicans join Democrats, highlighting a growing constitutional debate over the executive branch’s authority to maintain an open-ended conflict. Despite this legislative pressure, President Trump told reporters he remains prepared to order a "big hit" against Iranian targets as early as this weekend if a diplomatic breakthrough is not achieved. On the ground, the situation remains a volatile mix of fragile diplomacy and active maritime coercion. While Vice President JD Vance noted that "good progress" is being made via narrow back-channels, Tehran has used the current lull to warn that any resumption of U.S. strikes would lead to the opening of "new fronts" across the region. Iranian officials claim they have utilized the ceasefire period to bolster combat capabilities, even as reports emerge of continued naval skirmishes and blockades in the Strait of Hormuz. Adding a layer of regional complexity, President Trump revealed that leaders from Gulf Arab nations have been instrumental in delaying immediate escalations, successfully petitioning the White House to hold off on strikes at the last moment. Amid these tensions, a small humanitarian gesture was noted as a rights group confirmed the release of an Iranian citizen with U.S. permanent residency, though it is unclear if this signals a broader shift in the stalled diplomatic negotiations.

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