First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter.
House Democrats plan to vote on sending the articles of impeachment from the House to the Senate today.
Warren was given the chance to respond to Sanders' assertion that he did not tell her in a 2018 meeting that a woman couldn't be elected president.
NBC News is tracking, live, how long each candidate talks in the January 2020 debate.
The DOJ recommended earlier this month that Flynn be sentenced for up to six months of prison time.
The records, released by the House Democrats, also appear to show that former Ukraine ambassador Marie Yovanovitch was being monitored.
It's unclear when the Senate will vote on the measure as the chamber is set to begin the impeachment trial next week.
Tuesday's debate stage will be the smallest one yet.
Fraud cases typically accuse public officials of diverting public resources to line their own pockets and there was no such claim in this case.
Gulf Arab powers privately welcomed the death of Iran's top general, but they fear their nations could be caught in the crossfire of a U.S.-Iran conflict.
The Sanders-Warren public rift marks a major sea change in the contest ahead of the caucuses on Feb. 3.
The Senate majority leader said the start date is contingent on House Speaker Nancy Pelosi sending the two articles of impeachment to the Senate.
Shelby Pierson also said the U.S. tracks hacks by Russians, including the recent attempted hack of Burisma, the Ukraine firm that employed Hunter Biden.
The Speaker has withheld the articles for nearly one month since they passed the House.
There's little appetite from Republicans with tough re-election fights for a vote to dismiss the charges against Trump outright.
The debate comes as the Democratic presidential primary has taken on a nastier tone.
A private security firms says that Burisma Holdings was the victim of a phishing campaign beginning in November.
Past statements by a handful of Republican senators facing tough re-election races illustrate why Democrats are concerned about getting impeachment witnesses.
Sanders called the story "ludicrous."
Democrats have called for key White House officials and the release of documents as Pelosi, under pressure, readies the House to transmit the articles of impeachment to the Senate to begin the trial.
The New York Republican pleaded guilty to conspiracy to commit securities fraud and making false statements
Two officials tied to then-Gov. Chris Christie were sentenced to prison for their roles in creating massive traffic jams on the N.J.-N.Y. crossing.
"I will carry this fight forward — I just won't be doing it as a candidate for president this year," Booker told supporters in an email.
"Mini Mike Bloomberg is spending a lot of money on False Advertising," Trump tweeted, attacking Bloomberg's anti-Trump health care ads.