Sign up for our daily briefing

Make your busy days simpler with the Axios AM and PM newsletters. Catch up on what's new and why it matters in just 5 minutes.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on the day's biggest business stories

Subscribe to the Axios Closer newsletter for insights into the day’s business news and trends and why they matter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios Pro Rata

Dive into the world of dealmakers across VC, PE and M&A with Axios Pro Rata. Delivered daily to your inbox by Dan Primack and Kia Kokalitcheva.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sports news worthy of your time

Binge on the stats and stories that drive the sports world with the Axios Sports newsletter. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Tech news worthy of your time

Get our smart take on technology from the Valley and D.C. with Axios Login. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Get the inside stories

Get an insider's guide to the new White House with Axios Sneak Peek. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Denver news?

Get a daily digest of the most important stories affecting your hometown with Axios Denver

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Des Moines news?

Get a daily digest of the most important stories affecting your hometown with the Axios Des Moines newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Twin Cities news?

Get a daily digest of the most important stories affecting your hometown with Axios Twin Cities

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Tampa Bay news?

Get a daily digest of the most important stories affecting your hometown with the Axios Tampa Bay newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Charlotte news?

Get a daily digest of the most important stories affecting your hometown with Axios Charlotte

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Nashville news?

Get a daily digest of the most important stories affecting your hometown with the Axios Nashville newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Columbus news?

Get a daily digest of the most important stories affecting your hometown with the Axios Columbus newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Dallas news?

Get a daily digest of the most important stories affecting your hometown with the Axios Dallas newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Austin news?

Get a daily digest of the most important stories affecting your hometown with the Axios Austin newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Atlanta news?

Get a daily digest of the most important stories affecting your hometown with the Axios Atlanta newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Philadelphia news?

Get a daily digest of the most important stories affecting your hometown with the Axios Philadelphia newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Chicago news?

Get a daily digest of the most important stories affecting your hometown with the Axios Chicago newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios NW Arkansas

Stay up-to-date on the most important and interesting stories affecting NW Arkansas, authored by local reporters

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top DC news?

Get a daily digest of the most important stories affecting your hometown with the Axios DC newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Rep. Ro Khanna and Sen. Bernie Sanders at a press conference following a vote on ending U.S. military involvement in the war in Yemen

The U.S. still backs Saudi Arabia's fight in Yemen, even though Congress voted to end that support. Now, progressive Rep. Ro Khanna (D-Calif.) is pushing Democratic leaders to turn to the Supreme Court to help enforce Congress' will.

Why it matters: Congress' resolution seeking to end U.S. involvement in Yemen passed with support from diverse ideological factions — from moderates to Bernie Sanders to Rand Paul, only to meet a veto from President Trump.

That has united a similarly diverse group of law professors, who say Trump usurped Congress' authority over matters of war when he vetoed the resolution and that the House should sue him for it.

  • "I think the Speaker is seriously considering pursuing the lawsuit and will make the correct next step for the people of Yemen and our constitutional integrity," Khanna told Axios. "Yemen can’t wait, and it is my hope that this legal challenge to Trump’s veto moves forward."

"If Nancy Pelosi gets a majority behind her to bring suit, this is a moment of truth for the Supreme Court," said Yale law professor Bruce Ackerman, who's leading the charge on this legal theory.

The response: "We continue to consider all viable options to end this humanitarian crisis," Pelosi's office said.

The big picture: The Constitution gives Congress the power to declare war, and in the wake of Vietnam, Congress spelled out more detailed rules about presidential unilateral power. In Ackerman's view, the Yemen vote is a referendum on whether those rules still apply.

The big question: The Supreme Court has said presidential power is "at its lowest ebb" when exercised in a way that's "incompatible with the ... will of Congress." If the House sues over Trump's Yemen veto, the central question would be whether that's what happened here, said Scott Anderson, a Brookings fellow and former State Department lawyer.

  • Ackerman says it obviously is. Trump's veto "defied fundamental principles of constitutional law," he and 12 other law professors wrote in a letter to Pelosi.

Between the lines: The case is likely a long shot, given the Supreme Court's ideological balance as well as Chief Justice John Roberts' traditional reluctance to get in the middle of disputes between the other two branches. 

  • The courts would have to toss aside a decades-old interpretation of certain parts of Congress' war powers, Anderson said, adopting a new standard for America's work with other countries' militaries. 
  • "Courts have been really resistant and reluctant to take up these questions," he said.

What's next: If Congress wants to force the U.S. out of Yemen, its best bet might be to keep trying with different legislative vehicles, Anderson said.

  • That could include the annual Defense Authorization Bill, a must-pass omnibus that will get rolling in the Senate over the summer.

Go deeper

Updated 55 mins ago - Politics & Policy

Virginia attorney general fires Jan. 6 investigator from university post

McIntire Amphitheater at the University of Virginia, Charlottesville, Virginia. Photo: Robert Knopes/UCG/Universal Images Group via Getty Images

The lead investigator for the Jan. 6 House select committee investigating the Capitol riot has been fired from his position as the University of Virginia's counsel by the state's new Republican attorney general, per the Washington Post.

Why it matters: Democrats say the removal of Tim Heaphy from his post after some three years while he's on leave from the university to investigate the insurrection is likely "retribution" for the House probe — an accusation strongly denied by the office of state Attorney General Jason Miyares (R).

4 hours ago - World

Taiwan's military scrambles jets after detecting 39 Chinese warplanes

J-20 stealth fighter jets in Zhuhai in the Guangdong Province of China last year. Photo: Chen Jimin/China News Service via Getty Images

Taiwan's defense force said 39 Chinese warplanes flew into its Air Defense Identification Zone (ADIZ) on Sunday.

Why it matters: The largest Chinese air force incursion into the zone since October came a day after the U.S. and Japanese navies conducted a joint exercise in the Philippine Sea.

5 hours ago - Sports

Gonzaga University revokes NBA great John Stockton's tickets over mask stance

Former Utah Jazz player John Stockton during a 2017 press conference in Salt Lake City. Photo: Melissa Majchrzak/NBAE via Getty Images

Gonzaga University suspended the season tickets of notable alumni John Stockton after the NBA Hall of Famer failed to comply with the school's basketball games mask mandate, the Spokesman-Review first reported.

Driving the news: "Basically, it came down to, they were asking me to wear a mask to the games and being a public figure, someone a little bit more visible, I stuck out in the crowd a little bit," the former Utah Jazz point guard told the outlet in an interview Saturday.