Bernie Sanders looks to continue momentum in Iowa; Video shows aftermath of deadly London stabbing attack Source

Former Florida Senator Bill Nelson is supporting former Vice President Joe Biden in the 2020 campaign. He joined CBSN to discuss why he thinks Biden is the best candidate. Source

CBS News is estimating a four-way race between Joe Biden, Bernie Sanders, Elizabeth Warren and Pete Buttigieg as voters’ initial preference. Source

Who is participating in the Iowa Democratic caucuses? CBS News elections and surveys director Anthony Salvanto helps break down what we’re learning from the entrance polling. Source

Ahead of the Iowa caucus, CBS News sat down with four female farmers. They spoke about health care, the economy and the impact of the president’s trade wars. Janet Shamlian has more. Source

Former Vice President Joe Biden was upbeat ahead of the Iowa caucus. He said his campaign will “survive all the way through.” Nikole Killion has more. Source

Don’t throw away your shot to see the Broadway hit. Source

In Illinois, the voting rights of inmates convicted of crimes are suspended during incarceration but restored upon release, though they have to register again. Source

While the rest of the Democratic field is in Iowa, Bloomberg is in California kicking off a bus tour. Source

While Iowa is not representative of the country, it gives an early sense of a campaign’s strength and ground game. Major Garrett joins the “CBS Evening News” to explain what the caucus means for the Democratic contenders. Source