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

Conservative radio host Rush Limbaugh announced on his show that he has been diagnosed with “advanced lung cancer.” He told his listeners he would be gone while undergoing treatment. Manuel Bojorquez reports. Source

There are only 155 delegates up for grabs in the three contests following the Iowa caucuses. Still, these early states can help shape the election moving forward. LaCrai Mitchell, Alex Tin and Nicole Sganga discuss how the presidential hopefuls plan to make their mark in the next month. Source

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

Reggie Love worked as personal aide, commonly known as the “body man,” for former President Barack Obama. He spoke to CBSN’s Elaine Quijano about why he’s supporting the former mayor of South Bend, Indiana, this election. Source

Tom Steyer has outspent his Democratic opponents in Iowa, but it remains to be seen if that will yield positive results in the caucuses. The candidate talks Trump, climate change, and the economy with CBSN ahead of the nation’s first primary contest. Source