U.S. Senate Set to Approve Fifth Attempt to Curb President Donald Trump’s War Powers in Iran as Lawmakers Intensify Efforts to Reassert Congressional Authority amid Strait of Hormuz Blockade

Washington, D.C. — The United States Senate is poised to approve a fifth attempt to curb President Donald Trump’s authority to wage military action against Iran, marking the latest chapter in a prolonged struggle between Congress and the White House over control of war powers.

The measure, expected to gain traction in the coming days, reflects growing bipartisan concern that the president has stretched executive authority too far amid escalating tensions with Tehran. Lawmakers backing the resolution argue that the Constitution grants Congress — not the president — the sole authority to declare war, and that recent military posturing toward Iran risks bypassing that critical check.

This latest effort follows four previous attempts that either failed to pass both chambers or were vetoed. Despite those setbacks, supporters say the stakes have only grown higher, citing increased military activity in the region and fears of a broader conflict that could draw the United States into another prolonged war in the Middle East.

“This is about restoring balance,” one senior senator said during floor debates. “No president, regardless of party, should have the unilateral power to drag this nation into war without the consent of the American people through their representatives.”

The resolution seeks to require explicit congressional authorization before any new military action against Iran can be undertaken, except in cases of direct and imminent threat to the United States. Proponents argue that such language preserves the president’s ability to respond in emergencies while preventing open-ended military engagements.

Opponents, however, contend that the measure could tie the hands of the commander-in-chief at a critical moment. Allies of Trump argue that rapid decision-making is essential in dealing with adversaries like Iran, and that imposing additional restrictions could embolden hostile actors.

The debate has intensified against the backdrop of heightened rhetoric and strategic maneuvering in the Persian Gulf, with analysts warning that miscalculation on either side could quickly spiral into open conflict.

If passed, the resolution will likely face resistance from the White House, raising the possibility of yet another presidential veto. Overriding such a veto would require a two-thirds majority in both the Senate and the House of Representatives — a high bar that previous efforts have failed to meet.

Still, the persistence of lawmakers signals a deepening unease in Washington over the scope of presidential war-making powers. As the Senate prepares for this fifth vote, the outcome may not only shape U.S. policy toward Iran but also redefine the balance of power between Congress and the presidency for years to come.