Biden formally introduces Harris as the Democratic ticket goes after Trump - The Washington Post

The appearance of the two Democrats came one day after the senator from California was named to the ticket. https://www.washingtonpost.com/politics/biden-formally-introduces-harris-as-the-democratic-ticket-goes-after-trump/2020/08/12/a369bd68-dcb8-11ea-b205-ff838e15a9a6_story.html