Joe Dumars, a member of the Naismith Memorial Basketball Hall of Fame, is leaving the Sacramento Kings organization after three years to take a high-ranking position in the NBA office. The league announced Monday that Dumars, a respected former player and team executive with more than 30 years of experience in the NBA, has been appointed as the league’s executive vice president and head of basketball operations. Dumars will move into his new role May 9, reporting to Byron Spruell, the league’s president of basketball operations. “Joe’s extensive track record of accomplishment as an NBA player …