Analysis of Night 1 of the July Democratic Debates. Presidential Election of 2020, Debates (Political), Democratic Party, Detroit (Mich), Williamson, Marianne, Ryan, Timothy J (1973- ), Klobuchar, Amy, Buttigieg, Pete (1982- ), Sanders, Bernard, Warren, Elizabeth, O'Rourke, Beto, Hickenlooper, John W, Delaney, John R, Bullock, Steve