Democratic presidential candidates Klobuchar, Booker, Buttigieg, Sanders, Biden, Warren, Harris, Yang,...
Democratic U.S. presidential candidates Senator Amy Klobuchar, Senator Cory Booker, South Bend Mayor Pete Buttigieg, Senator Bernie Sanders, former Vice President Joe Biden, Senator Elizabeth Warren, Senator Kamala Harris, entrepreneur Andrew Yang, former Rep. Beto O'Rourke and former Housing Secretary Julian Castro pose before the start at the 2020 Democratic U.S. presidential debate in Houston, Texas, U.S. September 12, 2019. REUTERS/Jonathan Bachman