Just one thing to add to “Jeffrey’s excellent post”:http://www.armscontrolwonk.com/1339/japans-nuclear-status about Japan’s nuclear weapons potential…

According to a 1999 DIA primer on future threats (which can be found “here”:http://www.armscontrolwonk.com/Primer.pdf), Germany and Japan “could develop a nuclear warhead within a year should the political decision be made to pursue such capability.”