BROOKLINE - You name a college program and it were probably represented at Dexter Southfield's Show Day on Tuesday. Starting around 11:00, coaches and scouts from across the country - sometimes four and five per school - strolled onto the beautiful campus in Brookline to take a look at 32 soon-to-be seniors, juniors and sophomores in a 45-minute workout. The 11:30-12:15 time slot is part or a full day of...