July 30, 2019 – Detroit, Michigan, United States: CNN Democratic Presidential Debate Detroit, Michigan 2019. L to R: Candidate author Marianne Williamson, Ohio Rep. Tim Ryan, Minnesota US Sen. Amy Klobuchar South Bend, Indiana, Mayor Pete Buttigieg, Vermont US Sen. Bernie Sanders, Massachusetts US Sen. Elizabeth Warren, former Texas Rep. Beto O’Rourke, former Colorado Gov. John Hickenlooper, former Maryland Rep. John Delaney, Montana Gov. Steve Bullock. (John Nowak / CNN / Polaris)