By Caroline Adams Miller, MAPP The Tong Leong School of Martial Arts is the last martial arts academy many would expect to find in the privileged community of Bethesda, Maryland, where most youngsters are accustomed to easy lives of high-quality schools, first-class sports opportunities, and bright futures. Unlike the pervasive “McDojos” that serve up black belts once you’ve paid a certain amount of money or spent a specific number of months at different ranks, at the Tong Leong School you…