By COLLEEN BARRY and LUCA BRUNO, Associated Press VERANO BRIANZA, Italy (AP) — Four second-grade classes in the Milan suburb of Verano Brianza have been learning to play basketball this spring from a real pro. They also got a lesson in diversity. Their coach for the month of May has been Adolfo Damian Berdun, an Argentinian-Italian wheelchair basketball champion. Berdun, 39, lost his left leg in a