As beaches and parks open up for Memorial Day, hundreds of officers prepare to be on patrol. Jamie Yuccas reports. Source

Joe Biden is apologizing after suggesting black voters who are considering Trump “ain’t black.” The comments came during a radio interview Friday, and at a time when the Biden campaign is working to engage more with black voters — especially black women — to secure a victory in November. LaTosha Brown, co-founder of the group Black Voters Matter, joined CBS News to discuss Biden’s comment. Source

At least two people are dead and four others wounded in a shooting at the University of North Carolina at Charlotte, officials said. UNCC senior Shamar Crosby described the scene on campus to CBSN’s Tanya Rivero. Source

In every county in the U.S., some aren’t always sure where their next meal will come from. Source

Calls for a military uprising against Venezuelan President Nicolás Maduro have led to violent clashes in Caracas on Tuesday. CBS News State Department reporter Christina Ruffini joins CBSN’s “Red & Blue” to discuss how the Trump administration is responding. Source

WH carefully monitoring Venezuela crisis; China connection to Trump’s 2020 campaign Source

A North Carolina university police chief says officers arrived within minutes to the room in a campus building where a shooting happened, disarming the gunman. University of North Carolina-Charlotte Police Chief Jeff Baker said that a call came in at 4:40 p.m. Tuesday that a suspect armed with a pistol had shot several students. Two of them died. Source

U.S.-backed opposition leader Juan Guaidó called for civilians and Venezuelan military to back him Tuesday in an uprising against President Nicolás Maduro. This led to violent clashes between the opposition and troops who support Maduro. The Trump administration stands by Guaidó and recognizes him as Venezuela’s rightful leader. Foreign Affairs columnist Markos Kounalakis joins CBSN to discuss the latest. Source

Companies in the “gig” economy maintain that their workers aren’t employees. Source

Special counsel Robert Mueller “expressed frustration over the lack of context” in Attorney General William Barr’s four-page letter summarizing the findings of Mueller’s nearly two-year investigation into President Trump’s conduct and Russian interference in U.S. elections, the Justice Department said Tuesday. Paula Reid reports. Source