Former Vice President Joe Biden of Delaware (John Bazemore / Associated Press)
Sen. Bernie Sanders of Vermont (Andrew Harnik / Associated Press)
Sen. Elizabeth Warren of Massachusetts (Kimberly White / Getty Images for MoveOn)
Sen. Kamala Harris of California (Kent Nishimura / Los Angeles Times)
Mayor Pete Buttigieg of South Bend, Ind. (Michael Conroy / Associated Press)
Sen. Michael Bennet of Colorado (Scott Olson / Getty Images)
Sen. Cory Booker of New Jersey (Scott Olson / Getty Images)
Former Housing Secretary Julián Castro of Texas (Mark Ralston / AFP/Getty Images)
Mayor Bill de Blasio of New York (John Locher / Associated Press)
Former Rep. John Delaney of Maryland (Charlie Neibergall / Associated Press)
Rep. Tulsi Gabbard of Hawaii (Michael Wyke / Associated Press)
Sen. Kirsten Gillibrand of New York (Scott Olson / Getty Images)
Former Colorado Gov. John Hickenlooper (Charles Krupa / Associated Press)
Washington Gov. Jay Inslee (Chris Carlson / Associated Press)
Sen. Amy Klobuchar of Minnesota (Bryon Houlgrave / Associated Press)
Former Rep. Beto O’Rourke of Texas (John Locher / Associated Press)
Rep. Eric Swalwell of California (Kent Nishimura / Los Angeles Times)
Author Marianne Williamson of California (Charlie Neibergall / Associated Press)
Businessman Andrew Yang of New York (Charlie Neibergall / Associated Press)
