Japan's Prime Minister Shinzo Abe raises his hand as he walks at his official residence in Tokyo, Japan March 16, 2017. REUTERS/Toru Hanai Acquire Licensing Rights TOKYO (Reuters) - Japanese Prime Minister Shinzo Abe, now in a rare fifth year as leader, is battling scandals on two separate fronts as questions swirl about his ties to a nationalist school involved in a murky land deal and his defenc