Six Democratic candidates are set to square off tonight in Des Moines, Iowa for the final Democratic debate before the Iowa caucuses. It is the smallest group of candidates to appear on stage in any debate so far. CBSN political contributor and Democratic Ssrategist Lynda Tran joins CBSN from Des Moines with the latest. Source

“Harriet” star Cynthia Erivo was the only non-white performer recognized as a nominee for Best Actress. Source

The WNBA and its union announced a tentative eight-year labor deal that will allow top players to earn more than $500,000 while the average annual compensation will surpass six figures for the first time. Source

“Military commanders are NOT ever ‘sworn in’ to their positions let alone with the usage of a Christian bible or other book of faith,” the Military Religious Freedom Foundation said. Source

Senators Elizabeth Warren and Bernie Sanders will appear on the Democratic debate stage tonight after addressing reports of a feud. CBS News 2020 campaign reporters Bo Erickson, Zak Hudak and Cara Korte joined CBSN to discuss what messages the campaigns are focusing on ahead of the debate. Source

Democrats will hold 2020’s first presidential debate Tuesday night in Iowa with less than three weeks left until voters make their picks in the state’s caucuses. The latest polls in the state show a close race between Joe Biden, Bernie Sanders, Elizabeth Warren and Pete Buttigieg. CBSN political reporter Caitlin Huey-Burns and CBS News political contributors Antjuan Seawright and Leslie Sanchez joined CBSN with more on what to watch for in tonight’s debate. Source

House Speaker Nancy Pelosi could send the articles of impeachment to the Senate as early as Wednesday, after meeting with Democratic lawmakers on Capitol Hill today to discuss key details for the upcoming trial. CBS News chief congressional correspondent Nancy Cordes joins CBSN AM to talk about the latest. Source

“The American people deserve the truth, and the Constitution demands a trial,” Pelosi said in a statement announcing the vote. Source

Social media companies are updating and revising their political ad policies. One platform that’s received backlash is Facebook, which is standing firm on its position to not fact-check politicians’ statements. Sara Fischer, Axios media reporter, joined CBSN to break down what she’s learned from Democratic and Republican campaign strategists. Source

The homeless moms described the early morning eviction enforcement from Alameda County sheriffs as overly excessive. Source