Like the rest of the world, Natasha Cloud and Bradley Beal were watching history unfold. They saw the Milwaukee Bucks refuse to take the court for a playoff game against the Orlando Magic in protest of the police shooting of Jacob Blake, a Black man, in Wisconsin, the Bucks’ home state. They saw the N.B.A. postpone the remainder of the playoff games scheduled for that night, and the next two, as more players indicated they would not play, either.