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U.S.-Iran Conflict: Trump Signals Rapid Endgame Amid Growing Congressional Resistance

President Trump signals a potential diplomatic off-ramp as Congress moves to restrict military authority and Russia offers mediation.

May 20, 2026 at 7:00 AM

President Donald Trump has indicated that the ongoing conflict with Iran could conclude "very quickly," emphasizing a desire to balance military pressure with a diplomatic resolution. Despite the optimistic rhetoric, the President warned that the U.S. remains prepared for "another big hit" if Tehran does not comply with demands to permanently abandon its nuclear ambitions. Vice President JD Vance echoed this cautious stance, stating that while progress is being made, no formal agreement has been reached and the U.S. military remains "locked and loaded." On the domestic front, the Trump administration faces a widening challenge from the Senate. A growing number of Republicans have joined a legislative effort to force a withdrawal from the conflict and end the current blockade. This shift suggests that congressional resistance to executive war powers is intensifying. Meanwhile, on the international stage, Russia has offered to serve as a third-party mediator, potentially opening a new diplomatic channel alongside existing efforts by Gulf states. Market tensions showed signs of slight easing as maritime traffic continued through the Strait of Hormuz. Shipping data confirmed that several supertankers, including Chinese and Iraqi vessels carrying approximately 4 million barrels of crude, successfully transited the waterway. This continued movement contributed to a modest decline in oil prices, with Brent crude falling to approximately $110.83 per barrel. However, Iranian officials continue to maintain a defiant posture, warning of "surprises" and more severe retaliation should U.S. military action persist.

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