BEAVER FALLS, Pa. - A 17-year-old high school student said he was humiliated when a teacher made him sit on the floor during a midterm exam in his ethnicity class _ for wearing a Denver Broncos jersey. The teacher, John Kelly, forced Joshua Vannoy to sit on the floor and take the test Friday _ two days before the Pittsburgh Steelers beat the Broncos 34-17 in the AFC championship game. Kelly also made other students throw crumpled up paper at Vannoy, whom he called a "stinking Denver fan," Vannoy told The Associated Press on Monday. Kelly said Vannoy, a junior...