Election 2020 Florida Primary

FILE - In this June 27, 2019, file photo, Democratic presidential candidates, former Vice President Joe Biden and Sen. Bernie Sanders, I-Vt., speak at the same time during the Democratic primary debate hosted by NBC News at the Adrienne Arsht Center for the Performing Arts in Miami. What might be the final showdown between the two very different Democratic candidates takes place Tuesday, March 17, 2020, during Florida's presidential primary. (AP Photo/Wilfredo Lee, File)