The ever intrepid Arianna Huffington apparantly followed Dick Cheney's entourage to a hospital in Vail (where he had been scheduled to address the American Enterprise Institute) where she deduced - despite the massive security presence and subterfuge that he had checked into the cardiac unit.
Read her account
here.
NOW, has anyone else heard anything about this? AND, the fact that the White House is keeping it quiet - should that tell us that Cheney is, in fact, hoping for a 2008 run? (Why else would it be such a big secret?)