People in Dulongjiang Town call him"Old County Head"because their village native Gao Derong over the years held so many important positions and made such an impact.Segregated from the world by forbiddingly steep Gaoligong Mountain and six months of unyieldingly deep snow,Dulongjiang’s Drung ethnic group was for some time the only one in China’s family of nationalities that had no highways.Gao’s leadership helped change