The Democratic National Convention will hear from vice presidential nominee Kamala Harris, former President Barack Obama, and other high-profile Democrats tonight. CBSN political reporter Caitlin Huey-Burns and CBS News 2020 campaign reporter Tim Perry join CBSN with details on what to expect. Source

Gene therapy has shown promise as a way to prevent bleeding in patients with hemophilia A. Source

Senator Kamala Harris of California will make history tonight as she accepts the Democratic nomination for vice president. Carole Porter, a childhood friend of Harris, joins CBSN to talk about how their experiences growing up led to this historic moment. Source

Apple Inc. has become the first publicly traded U.S. company in history to be worth $2 trillion. The iPhone maker’s shares reached that milestone on Wednesday, when its stock neared $468 for the first time. CBS Los Angeles reports. Source

Mr. Obama will be addressing the convention on the same night as some of the party’s biggest female stars. Source

The market value of the iPhone maker is up 60% this year, and has doubled in the past two years. Source

On a visit to Utah this summer, Donald Trump Jr. took time to shoot Desert Tech rifles and appeared in promotional images for the company, which is owned by a prominent member of a polygamous sect called The Order. The government is currently trying to seize the company’s headquarters, which is owned by other members of the sect who entered guilty pleas in a $1.1 billion fraud scheme. CBS News investigative reporter Graham Kates joins CBSN with more on the story. Source

The school has a 17.2% positivity rate —more than three times the rate recommended for states to reopen. Source

The president’s briefing comes as Democrats prepare to kick off the third night of the Democratic National Convention. Source

More universities are changing their fall plans and reverting to remote classes because of the coronavirus pandemic. Dr. Dara Kass joins CBSN to discuss how students and teachers can perform their own health assessments to help curb the virus’ spread. Source