The Democratic Debates, Night 1: Political Dynamics to Watch. Presidential Election of 2020, Democratic Party, Debates (Political), Warren, Elizabeth, Booker, Cory A, O'Rourke, Beto, de Blasio, Bill, Gabbard, Tulsi (1981- ), Inslee, Jay, Castro, Julian, Klobuchar, Amy, Delaney, John (1963- ), Ryan, Timothy J (1973- )