Four dead as mystery illness spreads from China; U.S. Navy aircraft named after African American WWII hero Source

One of the five lions at Khartoum’s Al-Qureshi Park is believed to have died. Source

Jayapal endorsed Bernie Sanders for president Sunday, a notable win for the Sanders campaign over fellow progressive Senator Elizabeth Warren. Source

New gun control legislation is making its way through the Virginia Senate. Those who oppose the legislation surrounded the capitol building Monday, carrying weapons and wearing camouflage. CBS News correspondent Jeff Pegues discusses what took place and why. Source

Andrew Peek, the top White House adviser on Russia, was under investigation by the State Department before he was detailed to the White House in November. Source

For the first time, the U.S. Navy named one of its aircraft carriers after an African American. The ship is expected to set sail in about seven years. David Martin reports. Source

Four presidential candidates will be forced to take time off the campaign trail Tuesday. Senators Elizabeth Warren, Amy Klobuchar, Bernie Sanders and Michael Bennet will head to Washington to serve as jurors in the Senate impeachment trial against President Trump. CBS News 2020 campaign reporters Bo Erickson, Cara Korte, Zak Hudak and Lacrai Mitchell join CBSN for this edition of 2020 Daily Trail Markers. Source

This year when the Kansas City Chiefs and San Francisco 49ers take the field, many will be watching the sidelines instead — for Katie Sowers to make history. Source

Larry Sabato from the University of Virginia’s Center for Politics joins CBSN’s “Red and Blue” with a look at how President Trump’s impeachment trial may compare to ones in the past. Source

The shooting killed two people and wounded five others. Source