Ernest Dahlman Jr. has rare scholarly attributes: a tenacious memory, a sense of judgment, a knack for making fast decisions, a willingness to study hard, and a near-perfect attendance record.
So Dahlman, 21, dropped out of New York City's Wagner College this fall and began to devote full time to the pari-mutuel teaching machines on the oval campus of Yonkers Raceway. His discriminating bets on the trotters soon put him $15,000 ahead, surely enough to make him an honor student among dropouts. Then, fortnight ago, he broke the record at Yonkers U., picking twin-double winners two nights in succession...