OK, so here's the corrected version of the Obama v. Clinton Google Earth overlay we trotted out a couple of days ago. Download it here .
The old one wasn't exactly wrong , per se -- it was just off by about a tenth of a mile. Unless you zoom way down to street level you won't notice the difference.
Mad props to corporate ESRI stooge "kaivalya" for succesfully diagnosing my ridonkulous error .