The Iowa caucuses are less than a month away, but not every campaign is focusing on the state. Michael Tubbs, co-chair of the Bloomberg campaign, joins “Red and Blue” to discuss the former mayor’s strategy. Source

Former National Security Adviser John Bolton says he will testify in a Senate impeachment trial if he’s subpoenaed. CBSN legal contributor and assistant U.S. attorney for New York’s Eastern District, Keir Dougall, joins CBSN’s “Red and Blue” to discuss. Source

Voice-activated technologies are one of the biggest trends to watch at this year’s CES — which includes platforms like Apple’s Siri and Amazon’s Alexa. CNET executive editor Roger Cheng is at the convention in Las Vegas and joins CBSN’s Laura Podesta with more. Source

The launch boosts the number of Starlink internet relay satellites to 180 as SpaceX builds a vast constellation. Source

Magen Fieramusca allegedly abducted Heidi Broussard, whose body was later found in the trunk of Fieramusca’s car. Source

Discount carrier is second airline to vow to offset its carbon emissions, as popular movement against flying grows. Source

With just under a month before the Iowa caucuses, a new CBS News poll suggests there is a 3-way tie in the “Hawkeye State” between Bernie Sanders, Joe Biden, and Pete Buttigieg. In New Hampshire, Bernie Sanders continues to gain momentum. CBS News campaign reporters Nicole Sganga and Musadiq Bidar join CBSN’s Laura Podesta for a closer look at where things stand. Source

Pentagon says U.S. not pulling out of Iraq; How 2020 candidates see their path to victory. Source

The NYPD is launching initiatives to address a surge in hate crimes targeting Jewsih communities in 2019. Mayor Bill de Blasio’s administration is considering recruiting individuals who committed anti-semitic crimes as teens to educate the city’s youth. Reuven Blau, a reporter for The City, joins CBSN with more on the city’s proposal. Source

With four weeks to go until the Iowa caucuses, Democratic candidates are in the state campaigning for the first nominating contest of the 2020 election. Stephen Gruber-Miller, who covers the statehouse and politics for the Des Moines Register, spoke to CBSN’s “Red & Blue” about what the candidates are doing to win support on February 3rd. Source