Biden sweeps Sanders in 3 states on one of the strangest primary days in recent history

05:08

Joe Biden is projected to win by significant margins in the Arizona, Illinois and Florida primaries, on a day when Ohio essentially called off in-person voting due to coronavirus. Large numbers of voters used absentee or mail-in ballots. Those who did come to the polls - some wearing masks - were greeted with hand sanitizer and cleaners armed with disinfectant.