Once, Doce, Trece, CatorceSears Tower now a little place called VertigoThe Sears Tower is set to change its name to Willis Tower later this summer, but for now it will test out a series of temporary names: Vertigo Tower, Wetmypants Place, Faintville, and Holycrap, just to name a few. That's because the Sears Tower skydeck now features a number of glass-box observatories collectively called "The Ledge," allowing people to stand suspended 103-stories above the Chicago pavement with an unobstructed view of the descent to their doom, one engineers claim will probably not occur.Reading the story…

