(FILES) In this file photo taken on March 09, 2020 Democratic presidential candidate former Vice President Joe Biden gestures as he speaks during a campaign rally at Renaissance High School in Detroit, Michigan. Joe Biden won the Arizona Democratic primary over Bernie Sanders, giving him a sweep of the three US states which voted on March 17, 2020, TV networks said. With 56 percent of precincts reporting in Arizona, Biden led Sanders by 42.6 percent to 30.3 percent, according to New York Times figures.
Biden also won primaries in Florida and Illinois on Tuesday to open up a commanding lead over Sanders in the race for the Democratic presidential nomination.
 / AFP / JEFF KOWALSKY
Democratic presidential candidate Joe Biden gestures as he speaks during a campaign rally at Renaissance High School in Detroit, Michigan. AFP

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