As Americans turn their attention inward, China and Russia are beginning to make geopolitical moves that evoke nothing so much as the environment of the 1930s. I have written elsewhere about China's dispute with Japan over the Senkaku Islands and Beijing's resort to a direct confrontation over them in September. Russia added to Japan's troubles last week, when Dmitry Medvedev planned to make an unprecedented visit to the Kuril Islands in the north, which have been disputed by Japan and Russia since the end of World War II. Medvedev's trip was curtailed by bad weather on this occasion (a verifiable excuse, incidentally)....