Ever since the Glover Park Whole Foods opened, it seems to have taken away a lot of the celebrity luster that the Social Safeway in Georgetown used to have a monopoly on. This DCist has seen a number of famous-for-D.C. types in the aisles of the Glover Park Whole Foods, including Joe Lockhart (when his Glover Park Group was actually in Glover Park.) Now we hear that last Sunday, Defense Secretary Donald Rumsfeld, with…