Mike Pence, Tim Kaine speak amid campaign controversies
On "Face the Nation" Sunday, vice presidential candidates Mike Pence and Tim Kaine defended their running mates. Pence slammed sexual assault accusations against GOP nominee Donald Trump, and Kaine said that the latest leak of Hillary Clinton campaign emails could have been "doctored." CBS News political director and "Face the Nation" moderator John Dickerson joins CBSN with more.