FILE IMAGE: Early polls conducted in March show Joe Biden leading the Democratic field of candidates with Sen. Bernie Sanders following closely behind. While still unannounced, the former Vice President is reportedly close to officially entering the race for the 2020 US Presidential Elections. Joe Biden delivers a keynote speech about public service and leadership to students, faculty and community members at Saint Josephs University in Philadelphia, PA, on April 24, 2018. (Photo by Bastiaan Slabbers/NurPhoto via Getty Images)
