Joe Biden was back on the campaign trail defending his record after a tough moment during the Democratic debate. Sen. Kamala Harris called him out for his past stance against busing to desegregate public schools. Ed O’Keefe reports. Source

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

An arrest has been made in the case of missing University of Utah student Mackenzie Lueck. The suspect has been charged with aggravated murder. Jonathan Vigliotti reports. Source

If not, “people, I think prefer, not see her, that face,” the 14th Dalai Lama said Source

Twitter has announced new rules to limit threatening tweets made by government officials. The limitations will apply to politicians with 100,000 or more followers, like President Trump. Wired Editor-in-Chief Nick Thompson joined CBSN to explain the new rules. Source

Prosecutor Steve Crump shows “48 Hours” correspondent Peter Van Sant what he didn’t show in court. Source

Maria Ressa is taking a stand against the Philippine government and its weaponization of social media. Adam Yamaguchi, producer and correspondent of the CBSN Originals documentary “Fake news, real consequences: The woman fighting disinformation,” spoke with CBSN about her fight. Source

Members of Brantley’s writing group tell correspondent Peter Van Sant fact is stranger than fiction. Source

Kylei Brown now faces surgeries, treatments and weeks of physical therapy so she can walk again Source

Nestle’s latest product is aimed at consumers who like to eat dough but worry about salmonella infections Source