Bill De Blasio Tim Ryan Julián Castro Cory Booker Elizabeth Warren

New York mayor Bill de Blasio, Ohio congressman Tim Ryan, former housing secretary Julián Castro, New Jersey senator Cory Booker and Massachusetts senator Elizabeth Warren participate in a Democratic presidential debate in Miami, Florida, June 26, 2019

New York mayor Bill de Blasio, Ohio congressman Tim Ryan, former housing secretary Julián Castro, New Jersey senator Cory Booker and Massachusetts senator Elizabeth Warren participate in a Democratic presidential debate in Miami, Florida, June 26, 2019 (Getty Images/Joe Raedle)