Newly promoted sumo grand champion Terunofuji has given up his Mongolian nationality and acquired Japanese citizenship, an official government publication showed Wednesday.By becoming a Japanese citizen, the 29-year-old who belongs to the Isegahama stable clears the way to run his own stable of wrestlers in the future.Terunofuji is the fifth foreign-born yokozuna who switched to Japan after U.S.-born Akebono and Musashimaru, who are both retired. The still-active Hakuho and retired Kakuryu, both from Mongolia, also made the change.Despite falling short of a third straight championship, Teru…READ FULL ARTICLE