From left: Sen. Cory Booker, Rep. Tulsi Gabbard, Sen. Amy Klobuchar, South Bend mayor Pete Buttigieg, Sen. Elizabeth Warren, former Vice President Joe Biden, Sen. Bernie Sanders, Sen. Kamala Harris, entrepreneur Andrew Yang, and activist Tom Steyer at the Democratic presidential primary debate in Atlanta, Ga., November 20, 2019.

Chris Aluka Berry/Reuters