Financial disasters like the one in the US in 2008 affect the entire globe, not only the US. If the country is morally unfit for advanced banking, then no advanced banking should occur there, period. ... ?
Non-Japanese have no say whatsoever in Japan's nuclear industry. They only suffer the "externalities."
Tragedy of commons. WWI -> League of Nations, WWII -> UN ... How about establishing a world government without WWIII this time. Though what the frak i'm talking about if we can't even stop a government from butchering tens of thousands of their own people (like Sudan, Siria)