US Lawmakers Oppose Military Action Against Iran, Seek Diplomatic Path

Washington, D.C. – A bipartisan group of U.S. Representatives is voicing strong opposition to preemptive military action against Iran, advocating instead for a renewed diplomatic approach to address concerns over Iran’s nuclear program and regional stability. The lawmakers are urging the Trump administration to continue engaging with Tehran through negotiations, warning that military strikes would be destabilizing and counterproductive.

Congressional Concerns Over Presidential Authority

Representatives Gregory W. Meeks, Ranking Member of the House Foreign Affairs Committee. Adam Smith, Ranking Member of the House Armed Services Committee; and Jim Himes, Ranking Member of the House Permanent Select Committee on Intelligence, released a joint statement on June 23, 2025, emphasizing the constitutional requirement for Congressional authorization before engaging in war. They argue that if the President believes military action is necessary, he must present a case to Congress demonstrating it is in the national security interest of the United States. Source

This stance comes after President Trump authorized strikes against Iranian nuclear facilities on June 21, 2025. Source The lawmakers expressed concern over the lack of a clear strategy following these strikes and the President’s public statements regarding regime change, which they believe undermine any claim of a narrowly tailored operation focused on eliminating a nuclear threat.

War Powers Resolution Introduced

To formalize their opposition and reassert Congressional authority, Representatives Meeks, Smith, and Himes introduced a War Powers Resolution. This resolution aims to order the removal of U.S. Armed Forces from hostilities against Iran, while preserving the ability to defend the U.S. And its allies from imminent attack, including the defense of Israel. Source A similar resolution, House Concurrent Resolution 40, was too introduced, directing the President to remove U.S. Armed Forces from hostilities with Iran. Source

Administration’s Lack of Transparency

The lawmakers have also criticized the Trump administration for a lack of transparency regarding its actions in the Middle East. They highlighted the cancellation of a classified Member briefing on recent military action in Iran, which was several days overdue. Source They expressed concern that the administration may be attempting to avoid scrutiny regarding its policies and the President’s claims about the success of the strikes.

The Path Forward: Diplomacy and De-escalation

The Representatives maintain that diplomacy remains the most effective tool for durably constraining Iran’s nuclear program and reducing the risk of a wider regional war. They point to renewed talks with Tehran as evidence that a diplomatic path is still open and urge President Trump not to abandon it in favor of military force. They believe that a short-term, unauthorized show of military force ultimately leaves Americans less secure.