Democratic Presidential Candidates including, from left to right, Sen. Cory Booker, D-N.J.; Rep. Tulsi Gabbard, D-HI; Sen. Amy Klobuchar, D-Minn.; South Bend, Ind., Mayor Pete Buttigieg; Sen. Elizabeth Warren, D-Mass.; former Vice President Joe Biden; Sen. Bernie Sanders, D-VT; Sen. Kamala Harris, D-Calif.; entrepreneur Andrew Yang, and activist Tom Steyer are introduced prior to the MSNBC Washington Post Democratic Presidential Primary debate in Atlanta on Wednesday, November 20, 2019. Photo by Tami Chappell/UPI