President Trump criticized Joe Biden’s running mate, Kamala Harris, on her past and tweeted a campaign video attacking both of them. Weijia Jiang reports. Source

Former Vice President and presumptive Democratic nominee Joe Biden has chosen California Senator Kamala Harris as his vice presidential running mate. Ed O’Keefe has the latest. Source

The Trump campaign is already going after Kamala Harris as a liberal who can’t be trusted. Source

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

A classroom simulation shows how the spread of the virus is significantly cut down simply by placing ventilation near a teacher. Source

The Biden campaign made the announcement in a text message to supporters. Source

Joe Biden has selected Senator Kamala Harris as his vice-presidential running mate. Former Obama senior adviser Valerie Jarrett and Clinton 2016 campaign manager Robby Mook join “Face the Nation” moderator and CBS News senior foreign affairs correspondent Margaret Brennan to discuss the Biden-Harris ticket. Source

Joe Biden selected his former rival, Senator Kamala Harris of California, to be his running mate. CBS News political correspondent Ed O’Keefe and CBS News chief congressional correspondent Nancy Cordes join “Face the Nation” moderator and CBS News senior foreign affairs correspondent Margaret Brennan with the breaking news. Source

The Trump campaign is already going after Kamala Harris as a liberal who can’t be trusted. Source

The conferences are the first of the Power Five to postpone their seasons. Source