The livestream announcement marks a step towards unity for the Democratic Party. Source

CBS News senior medical correspondent Dr. Tara Narula, who is a cardiologist, joins CBSN to explain what we’re learning about COVID-19 and heart damage, as well as possible effects on the heart from use of the drug hydroxychloroquine. Source

Bernie Sanders officially endorsed Joe Biden for the presidency via live-stream video from their respective homes. “We need you in the White House,” Sanders said to Biden. Watch their remarks. Source

The employee choir from University of Texas MD Anderson Cancer Center wanted to lift spirits during the coronavirus pandemic, so they put together a virtual performance, singing Bruno Mars’ “Count on Me,” together, yet apart. Source

The president has been calling associates seeking their input on how soon he should reopen the economy, and asking what they think of Dr. Anthony Fauci, multiple sources say. Source

At first, Americans were told they had nothing to worry about. Then the guidance from the Trump administration rapidly started to change. Source

For the first time in U.S. history, all 50 states are now under a major disaster declaration due to the coronavirus pandemic. But local governments and hospitals are still struggling to keep up with patients and the growing demand for personal protective equipment for health care workers. CBS News chief Washington correspondent Major Garrett joined CBSN to discuss the latest on the response from the White House. Source

Philadelphia’s SEPTA bus policy previously stated that customers could be refused service for not wearing a mask. Source

Across the U.S., the death toll surged over 22,000, the highest count of any nation. Source

America’s top infectious disease expert suggests lives could have been saved if the president had acted earlier on pandemic warnings. Source