Back of the Bus

It seems like any other winter day in Montgomery, Alabama. Mama and child are riding where they're supposed to--way in the back of the bus. The boy passes the time by watching his marble roll up and down the aisle with the motion of the bus, until from way up front a big commotion breaks out. He can't see what's going on, but he can see the policeman arrive outside and he can see Mama's chin grow strong. "There you go, Rosa Parks," she says, "stirrin' up a nest of hornets. Tomorrow all this...