That's right, young whippersnappers: people of a certain age used to rock leg warmers, shoulder pads and fanny packs. You got a problem with that? These teens evaluate the style trends from the 1980s in the Fine Bros' latest "Teens React" video. Their responses show that one generation's fashion-forwardness is another's history lesson. They make some pretty astute observations, but the comment of one young woman sums up many of the decade's fashions: "Why?