Noel Rubio, 60, was last heard from in late December after departing California to head to Hawaii. Source

Jeff Glor reports on King Charles’ cancer diagnosis, what comes next for a border security bill unveiled in the Senate, and how climate change affects atmospheric rivers. Source

It’s been one year since the derailment of a Norfolk Southern freight train carrying toxic chemicals in East Palestine, Ohio, and local residents are still dealing with the health and environmental consequences. Roxana Saberi reports. Source

King Charles III has been diagnosed with an unspecified form of cancer and has begun treatment, Buckingham Palace said. The news comes a week after he was released from the hospital following treatment for an enlarged prostate. Charlie D’Agata has the latest. Source

Another atmospheric river is soaking California with historic amounts of rain and flooding. CBS News senior national and environmental correspondent Ben Tracy joins to explain how climate change is affecting these devastating and often deadly storms. Source

The U.K.’s King Charles III has been diagnosed with an unspecified form of cancer. CBS News chief medical correspondent Dr. Jon LaPook joins “Prime Time” to discuss. Source

President Biden is facing voters in Nevada after winning South Carolina’s Democratic primary. And the Palmetto State’s former governor, GOP candidate Nikki Haley, announced a big January fundraising haul. CBS News chief Washington correspondent Major Garrett breaks down the state of the 2024 presidential race. Source

A bipartisan group of senators has unveiled a $118 billion bill that would overhaul U.S. immigration policy. CBS News congressional correspondent Scott MacFarlane has the details. Source

Another round of severe storms are hitting California, bringing mudslides and flooding across the state. And it’s all because of a system known as an atmospheric river. CBS News correspondent Jonathan Vigliotti shows how serious conditions are. Source

Britain’s King Charles III has been diagnosed with cancer. CBS News senior foreign correspondent Charlie D’Agata has more from London. Source