As President Trump's threats against Iran intensify, bipartisan lawmakers are introducing resolutions requiring congressional approval for military actions. This renewed debate over war powers faces challenges, but highlights growing dissent within Congress regarding U.S. involvement in the Iran conflict.
Congressional Debate Revives War Powers Amidst Trump’s Threats to Iran

Congressional Debate Revives War Powers Amidst Trump’s Threats to Iran
Lawmakers grapple with legislative moves to restrict presidential war powers as tensions rise between the U.S. and Iran, fueled by President Trump's provocative rhetoric.
In the wake of President Trump’s heightened threats towards Iran and his potential involvement in backing Israel's military actions, a significant debate has emerged within Congress regarding the need to reclaim legislative authority over war declarations. On June 17, 2025, Representatives Ro Khanna, a Democrat from California, and Republican Thomas Massie from Kentucky jointly presented a House resolution aimed at requiring congressional consent before U.S. troops could launch offensive operations against Iran. This resolution underscores a growing sentiment among some legislators that the decision to escalate military conflict should not rest solely with the President.
The resolution has garnered the support of thirteen Democrats, though no Republicans have endorsed it thus far. In support of this measure, Senator Tim Kaine, a Democrat from Virginia, introduced a companion resolution in the Senate. Despite the bipartisan cooperation, the proposals are expected to encounter substantial resistance in the primarily Republican-held legislature, where many party members are hesitant to challenge Trump's authority. Nonetheless, both resolutions benefit from a special procedural status that mandates a congressional vote in the near future.
Speaker of the House Mike Johnson has managed to sidestep attempts to compel Republican members to vote against Trump, and may pursue a strategy to avoid any formal vote on the war powers issue. In opposition to the House's actions, Representative Mike Lawler, a New York Republican, openly criticized the resolution on social media, linking its support from Democrats to his own skepticism about its merit.
Meanwhile, Senate defense hawks voiced their approval of Trump’s aggressive stance. Senator Lindsey Graham, a Republican from South Carolina, declared his support for U.S. involvement in activities aimed at dismantling Iran’s nuclear capabilities, revealing his discussions with Trump. Senator Bernie Moreno, also a Republican from Ohio, expressed complete trust in Trump to handle military actions without congressional oversight.
As tensions escalate and the calls for war powers scrutiny intensify, the coming days in Congress promise to be pivotal in shaping the future of U.S. military involvement in Iran.