There's a belief that 70% of people who will vote in the upcoming presidential election already know who they are going to vote for. How do you influence undecided voters - and convince the 70% who are decided to at least consider the other candidate? Jonah Berger, Associate Professor of Marketing at The Wharton School, talks about how to influence mindsets on this edition of Wharton Business Daily. See acast.com/privacy for privacy and opt-out information.