National men’s team beats Japan 31-18 in Olympic qualifier at new stadiumA new 5,000-seat handball stadium was unveiled at Olympic Park in southern Seoul on Sunday, in a boost for the sport here.And the men’s national team celebrated the day by playing their opener against Japan in their first Asian qualifying tie for London Olympics.Manager Choi Suk-jae, who had spent the last few weeks preparing for the Asian qualifier, called the unveiling of the hi-tech handball stadium a “huge milestone.”On