In 1898, soon-to-be U.S. Senator Albert Beveridge (R-Indiana) urged his fellow Congressmen to “administer government” to the “savages and senile peoples” of Puerto Rico, newly acquired by the U.S. “Shall we save them from [possession by other nations],” he cried, “to give them a self-rule of tragedy? It would be like giving a razor to a babe and telling it to shave itself. It would be like giving...