Democratic presidential hopefuls (L-R) Senator of New Jersey Cory Booker, Mayor of South Bend, Indiana, Pete Buttigieg, Senator of Vermont Bernie Sanders, Former Vice President Joe Biden, Senator of Massachusetts Elizabeth Warren and Senator of California Kamala Harris arrive onstage for the third Democratic primary debate of the 2020 presidential campaign season hosted by ABC News in partnership with Univision at Texas Southern University in Houston, Texas on September 12, 2019. (Photo by Frederic J. BROWN / AFP) (Photo credit should read FREDERIC J. BROWN/AFP via Getty Images)