It sounds like a cheesy Hollywood movie: White college girls from Arkansas go to a national step dancing competition -- a dance form that is a hallmark of black fraternities and sororities -- and, gee whiz, win the whole darned thing! Boy, are the black sorority sisters steamed! But wait! In the final reel, five days after the results set off a national ruckus, show organizers say they discovered a "scoring discrepancy." They say the second-place sorority from Indiana University, the pink-and-green Alpha Kappa Alpha, the nation's oldest black sorority, is also a winner! Each team gets $100,000 in scholarships!...