On this day in 1945, Gen. Douglas MacArthur moves his command headquarters to Tokyo, as he prepares for his new role as architect of a democratic and capitalist postwar Japan. Japan had had a long history of its foreign policy being dominated by the military, as evidenced by Prime Minister Fumimaro Konoye's failed attempts to reform his government and being virtually pushed out of power by career army officer Hideki Tojo. MacArthur was given the task of overseeing the regeneration of a Japan shorn of its imperial past. As humiliating as it would be for the defeated Japanese, the supreme...