A new Japanese strategic review focuses more on the growing regional threats it faces, bolstering the need for heightened military spending.RICHARD A. BROOKS/Getty ImagesA new Japanese government report may be readying its public for the possibility of war.It expands on the threats it faces from Russia, China and North Korea.Japan's military needs more troops and pledged to boost pay and working conditions.Japan's newest strategic review names China, North Korea and Russia as threats to Japanese security.That's hardly a revelation.