In Football, the cultural critic Chuck Klosterman sizes up the sport’s 'unrestrained popularity' as 'something unsettling' ... Offers a fresh interpretation of football’s relationship to television, the medium that fueled its growth. Football is a perfect sport for the box because TV viewers see far more of the game than do those in attendance. The point isn’t original, but Mr. Klosterman takes it further ... The book does have worthy insights.