How Uber whistleblower Susan Fowler took on toxic culture

In 2015, Susan Fowler was excited about joining high-flying startup Uber -- but was propositioned by her manager on her first day. Just over a year later, Fowler detailed a corporate culture of harassment and retaliation in a blog post that went viral, helping drive out company co-founder Travis Kalanick and other executives. Fowler joins William Brangham to discuss her new book, “Whistleblower.”