Was the DNC rigged?; A Look at Impeachment; First Time Women Candidates

This week, Robert Mueller filed his first indictments. Host Joan Walsh catches us up on the latest news. Susan Glasser and Joe Conason weigh in on Donna Brazile's revelations about the Democratic National Convention. Then, author and Harvard professor Cass Sunstein explains the circumstances that can lead to impeachment. We'll also hear from a panel of women candidates running for elected office for the first time.