It may exceed the wonderfulness of anything that has gone before. Peter Slevin, the Washington Post’s Chicago bureau chief, has been investigating this question for the Princeton Alumni Weekly. The result is a hard-hitting investigation of her life from her college days (“Obama’s Princeton friends describe a woman who seemed impressively centered, even in her late teens”) to the campaign trail (“Republican critics demonized her, accusing her of harboring a radical, even racist agenda. But Obama remained steady throughout”).