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House Democrats Push New Vote to Limit Trump’s Iran War Power

House Democrats Push New Vote to Limit Trump’s Iran War Power/ Newslooks/ WASHINGTON/ J. Mansour/ Morning Edition/ The House is preparing to vote on legislation aimed at forcing President Trump to withdraw from the Iran conflict. Democrats believe growing Republican frustration with the war could help the measure pass. The vote could trigger a major constitutional battle over Congress’ authority to limit presidential military power.

Senate Majority Leader John Thune, R-S.D., speaks with reporters at the Capitol in Washington, Monday, May 18, 2026. (AP Photo/J. Scott Applewhite)

Iran War Powers Vote Quick Looks

  • The House is expected to vote Thursday on an Iran war powers resolution.
  • Democrats are trying to force Trump to withdraw from the conflict.
  • The effort uses the War Powers Resolution of 1973.
  • Several Republicans have begun breaking with Trump over the war.
  • Rising gas prices and shipping disruptions increased pressure on lawmakers.
  • Rep. Gregory Meeks said Democrats believe they now have enough votes.
  • Rep. Brian Fitzpatrick backed the resolution for the first time last week.
  • Trump continues threatening possible renewed strikes on Iran.
  • Sen. Thom Tillis criticized Defense Secretary Pete Hegseth’s handling of the war.
  • The vote could spark a constitutional showdown over presidential war powers.
Rep. Gregory Meeks, D-N.Y., the ranking member of the House Foreign Affairs Committee, left, walks with Rep. Nancy Pelosi, D-Calif., the speaker emerita, as lawmakers arrive to vote on approval of $95 billion in foreign aid for Ukraine, Israel and other U.S. allies. (AP Photo/J. Scott Applewhite)
FILE – Rep. Brian Fitzpatrick, R-Pa., listens to debate as the House Rules Committee meets to prepare Republican legislation to address health care affordability, at the Capitol in Washington, Dec. 16, 2025. (AP Photo/J. Scott Applewhite, File)

Deep Look

House Prepares for Major Iran War Vote

The US House of Representatives is preparing to vote Thursday on legislation designed to force President Donald Trump to withdraw American forces from the ongoing conflict involving Iran.

The vote marks the latest congressional effort to challenge Trump’s military authority after more than two months of conflict conducted without formal approval from Congress.

Democrats believe the political landscape may finally be shifting in their favor as frustration with the war grows among both lawmakers and the public.

The legislation is being advanced under the War Powers Resolution of 1973, a law intended to limit presidential authority to wage extended military campaigns without congressional authorization.

Democrats Hope Republican Support Is Growing

Democrats say they are seeing increasing signs that some Republicans are becoming uncomfortable with the prolonged conflict and its economic consequences.

Last week, a similar House resolution nearly passed after ending in a tie vote when three Republicans sided with Democrats.

Now Democrats believe they may have enough support to succeed.

Rep. Gregory Meeks of New York, the sponsor of the House resolution, said lawmakers have a constitutional responsibility to act.

“Congress has a constitutional duty. It has a duty to act, not to cheerlead, especially not to cheerlead an open-ended war of choice,” Meeks said.

The lone Democrat who opposed the previous measure, Rep. Jared Golden of Maine, has since announced he plans to vote in favor of the resolution this time.

Several absences in the narrowly divided House could still influence the final outcome.

Republicans Begin Questioning Trump’s War Authority

Although most Republicans initially supported Trump’s military campaign against Iran, cracks have begun emerging inside the GOP.

Some Republicans now argue Trump’s legal authority to continue military operations without congressional approval may have expired under the War Powers Resolution.

The 1973 law gives presidents 60 days to engage in military conflict before Congress must either formally authorize the action or declare war.

“We have to follow the law,” said Republican Rep. Brian Fitzpatrick after supporting the resolution for the first time last week.

The Senate also advanced a separate Iran war powers resolution earlier this week after four Republican senators joined Democrats in support.

Republican leaders believe they can still block final Senate passage once all GOP senators are present for the vote.

Economic Pressure Intensifies Congressional Frustration

Growing economic concerns tied to the Iran conflict are adding pressure on lawmakers.

The ongoing military standoff in the Strait of Hormuz has disrupted global shipping routes and contributed to rising gasoline prices across the United States.

Democratic senators held a rally outside the Capitol Wednesday alongside the veterans advocacy organization VoteVets to highlight economic impacts from the war.

Lawmakers displayed signs showing the national average gasoline price had climbed to $4.53 per gallon.

Sen. Tammy Duckworth, an Iraq War veteran and Democratic senator from Illinois, sharply criticized Trump’s handling of the conflict.

“Trump started a war, and he’s made things worse than before,” Duckworth said.

Duckworth argued the war strengthened Iran’s willingness to disrupt commercial shipping and increased instability across the region.

Trump Continues Threatening Military Action

Despite temporary ceasefire negotiations, Trump has continued signaling possible renewed military action against Iran.

The president recently said he was “an hour away” from ordering another strike before delaying action because Gulf allies urged continued negotiations.

Trump has repeatedly issued deadlines to Tehran while also backing away from direct military escalation.

In a recent social media post, Trump warned military leaders to remain ready for “a full, large scale assault of Iran, on a moment’s notice” if negotiations fail.

The White House argues the War Powers Resolution no longer applies because of the current ceasefire conditions.

Critics, however, say Trump’s own statements about potential future strikes undermine that legal argument.

Republican Frustration Targets Pete Hegseth

Some Republican lawmakers are increasingly directing criticism toward Defense Secretary Pete Hegseth and the administration’s management of the war.

Sen. Thom Tillis openly criticized Hegseth while discussing the administration’s legal and strategic handling of the conflict.

“The current status quo, Pete Hegseth demonstrates how incompetent he is,” Tillis told reporters.

Tillis added that he would support a formal authorization for military force if Congress debated and approved one properly.

The comments highlighted growing discomfort even among Republicans who generally support a hardline approach toward Iran.

Republicans Defend Trump’s Military Actions

Despite rising criticism, Republican leadership continues strongly backing Trump’s military campaign.

Supporters argue the president acted decisively against a longtime US adversary and strengthened American national security interests.

“I’m an American. I don’t believe in getting hit and walking away and pretending as though it didn’t happen,” said Rep. Brian Mast, chairman of the House Foreign Affairs Committee.

Trump allies also argue the administration’s military pressure forced Iran into renewed negotiations.

Constitutional Battle May Be Approaching

If the House and Senate both approve war powers legislation, the issue could trigger a major constitutional confrontation between Congress and the White House.

Lawmakers argue the resolution would take effect without Trump’s signature because it is structured as a concurrent resolution.

Trump, however, has repeatedly argued that the War Powers Resolution itself is unconstitutional and improperly limits presidential authority as commander in chief.

Legal experts say a successful congressional effort to halt the Iran conflict could lead to one of the most significant presidential war powers disputes in decades.

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