Prince Hisahito, Emperor Akihoto's grandson who is third in line to the Japanese imperial throne, turned 11 on Wednesday.His birthday came days after the announcement that his elder sister Princess Mako will marry her longtime boyfriend Kei Komuro. The prince has already met Komuro, 25, and will attend their wedding ceremony scheduled in fall next year.The son of Prince Akishino, the younger of the emperor's two sons, and Princess Kiko, the prince is likely to draw more attention as he will be second in line to the throne after the 83-year-old emperor's abdication that could take place as …READ FULL ARTICLE