Kamala Harris: ‘I am ready to go to work’
Harris and Joe Biden made their first appearance as running mates.
[MUSIC PLAYING] JOE BIDEN: Kamala, as you all know, is smart. She's tough. She's experienced. She's a proven fighter for the backbone of this country-- the middle class, for all those who are struggling to get into the middle class. Kamala knows how to govern. She knows how to make the hard calls. S...