Recently, Hillary Clinton made what was ostensibly an ordinary campaign stop in Columbia, South Carolina. Or, perhaps I should say — as Clinton herself did at one point — South Carolahnah. Clinton, as a few reporters immediately noted, at some points during her speech slipped into the faintest hints of a Southern accent; you can mostly hear it in the softening of the vowel i: retirement became retahrment, I sounded more like Ah. Here's a short clip from her appearance: [clip] Clinton is far from the only politician to be accused of putting on a fake accent in order to...