President-elect Trump says he will declare a national emergency and use U.S. military assets to carry out a mass deportation of undocumented immigrants when he returns to office. The plan could potentially test the limits of Trump’s powers to use the military on U.S. soil to achieve his immigration crackdown. Caitlin Huey-Burns has more. Source

The Kremlin warned that President Biden is adding “fuel to the fire” by allowing Ukraine to use long-range U.S. missiles that can strike targets inside Russia. Holly Williams reports. Source

Spirit Airlines, the nation’s largest discount airline, has filed for bankruptcy protection. The company has had at least two failed merger attempts in recent years as it struggled to rebound from the COVID-19 pandemic. Kris Van Cleave has more. Source

Two women told a House ethics panel about former Florida Rep. Matt Gaetz’s alleged misconduct between 2017 and 2019, claiming that he paid them both for sex, their attorney Joel Leppard told CBS News’ Major Garrett. Gaetz called the panel’s investigation a “smear” and denied the allegations. Attorneys for Gaetz did not respond to requests for comment on Monday. Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

A tradition that’s rich. Inside the Upper Cumberland’s Native American history. Hear all about this rich history from local historian Rick Moles.

Paul Teal’s fiancée and fellow “One Tree Hill” actors shared tribute posts memorializing him. Source

“Inside the NBA” will continue on other networks, even though will no longer be airing on TNT at the end of this season. Source

Spirit’s bankruptcy filing will affect airfares across the board, whether you fly Spirit or not, experts say. Source

Attorney Joel Leppard, who’s representing two women who testified before the House Ethics Committee about Matt Gaetz, said his clients allege the former Florida representative paid them for sex. He discussed their testimony in an interview with CBS News’ Major Garrett. Gaetz has denied all wrongdoing. His attorneys did not respond to requests for comment on Monday. Source