Senate Approves War Powers Resolution Limiting Trump's Authority Against Iran

The Senate passed a war powers resolution that would curtail President Trump's authority to wage military action against Iran without congressional approval.

Sen. Tim Kaine, D-Va., co-sponsored the measure. In an interview with NPR's Scott Detrow, Kaine said the chamber's passage represented progress but did not constitute the final step in the effort.

War powers resolutions invoke the War Powers Resolution of 1973, which requires the president to notify Congress within 48 hours of committing armed forces to military action. The law permits continued military operations for 60 days without congressional authorization, unless Congress declares war or authorizes the use of force.

The Senate's action reflects ongoing tension over the balance of executive and legislative power in military decision-making. Proponents of such resolutions argue that Congress retains constitutional authority over decisions to commit the nation to armed conflict. Opponents contend that such measures constrain the president's ability to respond swiftly to national security threats.

Kaine's comment that additional work remains suggests either that further legislative proposals are being considered or that the resolution faces other hurdles in the legislative process.

The votes and specific margin of passage were not detailed in available information.