Senate votes to restrict Trump's military authority over Iran

The Senate approved a measure Tuesday that would restrict President Trump's authority to wage war against Iran, asserting congressional control over military action in a region where lawmakers never authorized combat operations.

Senators from both parties supported the restriction, a departure from typical partisan divides over foreign policy and presidential power. The vote reflected recurring congressional concerns about the scope of executive military authority.

Trump administration officials did not immediately respond to requests for comment on the Senate action. White House correspondent Liz Landers interviewed senators across the political spectrum about their reasoning.

Supporters of the measure argued that military operations require explicit congressional approval under the Constitution. They contended that any Iran military campaign should proceed only with lawmakers' consent, not unilateral presidential decision-making.

Opponents acknowledged the constitutional framework but raised concerns about operational constraints during national security crises. Some senators worried the restriction could hamper rapid response capabilities if circumstances demanded immediate action.

The bipartisan nature of the vote underscored broader institutional friction between Congress and the White House over war powers. Previous administrations faced similar legislative pushback when courts and lawmakers questioned whether presidents exceeded their constitutional authority.

Iran tensions have escalated periodically since the Trump administration withdrew from the 2015 nuclear accord and imposed sanctions. Military incidents in the Persian Gulf region sparked public debate about whether Trump possessed legal justification for potential operations without congressional authorization.

The Senate measure would establish a formal requirement for lawmakers to vote before military campaigns commence. Senators supporting the bill maintained that even emergency circumstances do not eliminate the need for congressional deliberation, though some framed exceptions for defensive operations.

The vote count and specific provisions remained subject to procedural negotiations as the measure moved forward. Republican and Democratic senators both claimed the action protected constitutional authority while safeguarding national security options.

Congress has grappled with war powers since the 1973 War Powers Resolution required presidents to notify lawmakers within 48 hours of military deployment. That law permitted 60 days of operations before mandatory congressional authorization, though enforcement remained contentious across administrations.

The Iran-specific restriction represents an attempt to clarify those boundaries in advance rather than litigate authority during active conflict.