A national review of Japan's military forces has resulted in a change in their focus: potential threats to stability coming from China. Japanese leaders now see the military of their gargantuan neighbor as a threat to stability in the region, along with North Korea. China replied this morning to the review, condemning the move. Will the review and new focus on defense against China be a source of tension between the two countries? For more on the story we're joined by Roland Buerk, who is reporting for our partner the BBC in Tokyo.