Oldsmobile fans rejoice! (Or revolt—we suspect most will choose revolt.) Your brand lives again, and you’ll never guess how. Nearly four years to the day that the final Oldsmobile rolled off the assembly line in Lansing, Michigan, comes word that Oldsmobile is back. More startling than the announcement itself is its origin—not from Lansing, not from Detroit, not from Michigan, not even from anywhere in North America. A statement from Tokyo, of all places, reports that Toyota has secured rights to the Oldsmobile name. Asked for comment, GM is remaining extremely tight-lipped on the issue at the moment while presumably...