Democratic presidential candidates former vice president Joe Biden, left, Sen. Bernie Sanders, I-Vt., and Sen. Kamala Harris, D-Calif., right, stand on stage for a photo op before the start of the the Democratic primary debate hosted by NBC News at the Adrienne Arsht Center for the Performing Arts, Wednesday, June 27, 2019, in Miami. (AP Photo/Wilfredo Lee) ** FILE **
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