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January Democratic debate live updates: Six candidates face off in Des Moines

Tuesday's debate was the smallest one yet.
Image: Former Vice President Joe Biden, Sen. Elizabeth Warren, Sen. Bernie Sanders, Tom Steyer, former mayor Pete Buttigieg and Sen. Amy Klobuchar will take the state in a Democratic presidential debate on Tuesday night in Iowa.
Former Vice President Joe Biden, Sen. Elizabeth Warren, Sen. Bernie Sanders, Tom Steyer, former mayor Pete Buttigieg and Sen. Amy Klobuchar will take the stage in a Democratic presidential debate on Tuesday night in Iowa.Chelsea Stahl / NBC News

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NBC News provided up-to-the-minute coverage of the seventh Democratic presidential primary debate at Drake University in Des Moines, Iowa.

Tuesday's debate stage was the smallest one yet, with many of the candidates who appeared on stage in previous debates either failing to qualify or dropping out of the race.

Hosted by CNN and the Des Moines Register, the debate featured six candidates: former Vice President Joe Biden, Sen. Bernie Sanders of Vermont, Sen. Elizabeth Warren of Massachusetts, Sen. Amy Klobuchar of Minnesota, billionaire Tom Steyer, and former Mayor Pete Buttigieg of South Bend, Indiana.

Read about all the highlights below.

Download the NBC News app for full politics coverage.

Live Blog

Sanders voted 'no' on Iraq. Here's what he did support.

Sanders talked up his well-known opposition to the Iraq War on the debate stage Tuesday, but he omitted his repeated support for a regime change in Iraq in the years leading up to that war and his mixed record on war and peace. Sanders voted for the Iraq Liberation Act and backed President Bill Clinton's airstrikes in 1998 and advocated for regime change in the country.

“Mr. Speaker, Saddam Hussein is a brutal dictator who should be overthrown, and his ability to make weapons of destruction must be eliminated,” he said on the Senate floor in December 1998.

As NBC News' Jon Allen noted earlier today, Sanders has said his 2001 vote to authorize war in Afghanistan was "wrong." He has repeatedly attacked Biden for voting in favor of the Iraq War, a vote that Biden has similarly characterized as a mistake. 

Biden and Sanders draw laughter when talking about North Korea strategy

Biden said that in his administration he would work with China to pressure North Korea and would not meet with North Korean leader Kim Jong-Un, who previously called the former vice president a rabid dog that should be beaten with a stick.

Sanders then chimed in: "Other than that, you like him?" This drew laughter from the audience.

Biden responded: "Other than that, I like him, and he got a love letter from Trump right after that."

Sanders links past wars to fears of Trump lying

Bernie Sanders tied old wars to the current debate over war powers with a message aimed at the conscience and collective memory of the Democratic Party’s left wing.

He fears, he said, that President Donald Trump is the latest in a line of commanders in chief — following Lyndon Johnson, Richard Nixon and George W. Bush — who will abuse his bully pulpit to deceive the American public about bloody and costly wars.

“What we have to face as a nation is that the two great foreign policy disasters of our lifetimes were the war in Vietnam and the war in Iraq,” he said. “Both of those wars were based on lies. And right now, what I fear very much is we have a president who is lying again and could drag us into a war that is even worse than the war in Iraq.”

It was a message Sanders was intent on delivering: He delayed answering a different question from moderator Wolf Blitzer to pause, zoom out and explain how he thinks Vietnam and Iraq are connected to the current clash over war powers.

We apologize, this video has expired.

Foreign policy takes up first quarter of debate

This is a two-hour debate, and we’re a quarter through it. And, so far, it’s a different kind of debate. 

Questions from the moderators have centered on foreign policy: troops in the Middle East, Iran’s nuclear efforts and how to handle North Korea.

Foreign policy had not dominated any of the previous Democratic debates so far, but it's not hard to see why it came to the forefront: the recent events in Iran and Iraq.

Flashback: Barbara Lee's Iraq war vote gets high praise at last debate

At the December debate, in response to a question about what to do about continued U.S. involvement in Afghanistan, Sanders said he was wrong to support the initial military action — and acknowledged the stand taken by Barbara Lee.

Lee, a Democratic representative from California, has been an ardent anti-war advocate and was the only member of Congress to vote against military action after 9/11.

On Middle East presence, Warren calls for removal of ‘combat troops’

In response to a question about whether to pull U.S. troops out of the Middle East, Warren stands out for calling for the removal of combat troops.

Biden and Klobuchar hold that the U.S. needs to maintain a presence. Sanders and Buttigieg don’t offer definitive answers.

Overall, the candidates didn't demonstrate significant differences between on military policy in the Mideast, with the exception of whether to leave some troops in the area. And even if you pull troops out, it’s relatively easy today to send them back fairly quickly.

Who's attacking the most? Who's talking the most?

Throughout tonight's debate, the NBC News Data / Graphics team is tracking the numbers behind the debate: How much speaking time has each candidate gotten, and which candidates are attacking one another (and Donald Trump) the most.

Fifteen minutes into the debate Bernie Sanders is leading all candidates in speaking time and Donald Trump is the only person candidates are attacking.

Warren staying on message during foreign policy question

Blitzer pokes at Klobuchar/Buttigieg feud

Klobuchar and Buttigieg engaged in some heated exchanges in the previous debate regarding experience. Blitzer wastes no time in bringing that up, but Klobuchar dodges it.

"I’ve been very clear that I respect the mayor’s experience very much in the military," she said. " I just have a different experience. I’ve been in the U.S. Senate for over 12 years."

Smaller group, smaller venue

Previous debates were in large halls and had more candidates. This time, with six candidates in a smaller venue at Drake University, there’s already a cozier feeling to the scene.

Debate No. 7 begins with question on the candidates' qualifications to be commander in chief

The seventh Democratic debate kicks off with a foreign policy question: Why the candidates think they're best prepared to be commander in chief. Sen. Bernie Sanders, I-Vt., was given the opportunity to respond first.

Sanders said he's fit to be commander in chief because he voted against the war in Iraq when he was a representative in the House. He said he would lead through diplomacy rather than war.