A shift to mail voting is increasing the chances that Americans will not know the winner of November’s presidential race on election night, a scenario that is fueling worries.

A shift to mail voting is increasing the chances that Americans will not know the winner of November’s presidential race on election night, a scenario that is fueling worries.https://t.co/sI36Dxv3hp

— PBS NewsHour (@NewsHour) May 29, 2020