President Trump addressed the public Friday after a drone strike killed Iranian military leader Qassem Soleimani. He insists he took action to “stop a war.” Paula Reid has the latest. Source

Iran has vowed “harsh retaliation” against the U.S. for killing military leader Qassem Soleimani. The U.S. is sending thousands of soldiers to the region as the threat looms. Holly Williams joined CBSN from Iraq to discuss how things are progressing in both Iran and Iraq. Source

CBSN political contributor and Democratic strategist Antjuan Seawright and Republican strategist Shermichael Singleton join CBSN to discuss how Capitol Hill and the campaign trail are reacting to the U.S. airstrike that killed a top Iranian general. Source

Investigators are looking into what caused a plane crash in Iran that killed all 176 people on board. Iranian authorities say the crew of the Ukrainian airliner never called for help. CBS News transportation correspondent Kris Van Cleave joins CBSN with the latest on the investigation. Source

Residents in Australia’s Victoria state have been told to ready for evacuation. In Peru, heavy rains and mudslides are wreaking havoc. And scientists in China have identified a new virus strain causing respiratory illness, sickening dozens in Wuhan. CBS News’ Rylee Carlson rounds up world headlines from London. Source

Democratic presidential candidates spoke out today about the news that Iran had launched missiles strikes at Iraqi bases that house U.S. troops. CBSN political reporter Caitlin Huey-Burns joined CBSN to discuss the response. Source

Amid rising tensions between the U.S. and Iran, college students applying for financial aid were alarmed by the spread of misinformation online. MoneyWatch personal finance reporter Leslie Albrecht joins CBSN to break down the details. Source

The day after at least a dozen Iranian rockets slammed into two military bases with U.S. troops in Iraq, the Trump administration is pondering its next move. U.S. allies are condemning Iran, which in turn claims this attack concluded their “legal and proportionate” response to the targeted killing of Iranian general Qassem Soleimani. CBS News State Department reporter Christina Ruffini joins CBSN with the latest from Washington. Source

The Democrats will hold 2020’s first presidential debate Tuesday night in Iowa, where voters will make their picks in less than three weeks. Six candidates will take the stage, the smallest group of candidates to appear in any debate so far. And two of the candidates, Bernie Sanders and Elizabeth Warren, are trading words ahead of the event. Ed O’Keefe reports from Des Moines on what to expect from the debate. Source

Sources tell CBS News the articles of impeachment against President Trump could be delivered to the Senate as soon as Wednesday, and the impeachment trial could start next Tuesday. Nancy Cordes reports that House Speaker Nancy Pelosi will meet with fellow Democrats Tuesday morning. Source