When a boulder fell on train tracks near Glenwood Springs, Colorado, an Amtrak train full of passengers was delayed for hours. So the conductor decided to spontaneously buy a guitar and put on a concert with a singer who was on board. Source

The ruling is a victory for former White House counsel Don McGahn, who has resisted efforts by House Democrats to force him to testify about President Trump. Source

Simmons said on Monday he wants to set a good example for his younger teammates while setting the tone for those around him. And that includes running down the field, at 18 miles per hour, when necessary. Source

The three major airlines are trying to entice more people into flying as they press lawmakers for more financial aid. Source

Joe Biden delivered a stark rebuttal to President Trump’s claim that Democrats are to blame for the recent wave of social unrest. In a speech in Pittsburgh, Biden accused the president of fomenting violence with his rhetoric. CBS News political correspondent Ed O’Keefe joins CBSN with a closer look his comments. Source

Fifty-seven years after Martin Luther King Jr.’s “I Have a Dream” speech at the March on Washington, the families of Black Americans shot or killed by police officers joined civil rights activists for an anniversary demonstration Friday at the Lincoln Memorial in Washington D.C. Judith Browne Dianis, executive director of the Advancement Project, joins CBSN to discuss the significance of this year’s protest. Source

Lady Gaga is among the winners of 2020’s Video Music Awards, one of the first shows to move forward amid the pandemic and great social upheaval. Kevin Frazier reports. Source

John Thompson Jr., first Black head coach to win the NCAA basketball championship, has died at the age of 78. CBS News special correspondent James Brown spoke to CBSN’s Tanya Rivero about the legacy Thompson left at Georgetown University, both on and off the court. Source

The University of Arizona is testing sewage to help spot and prevent the spread of outbreaks of coronavirus on campus. Dr. Ian Pepper, a microbiologist and director of the university’s Water and Energy Sustainable Technology Center, which conducted the testing, spoke to CBSN about how it can offer an early warning. Source

Family members have offered a snapshot into the life of Blake, who finds himself at the center of the debate on policing in America. Source