Smoking bans have been uniformly upheld against a variety of challenges to their validity. See Elliott v. Bd. of Weld County Comm'rs, 796 P.2d 71 (Colo.App. 1990) (due process, equal protection); See also City of Tucson v. Grezaffi, 200 Ariz. 130, 23 P.3d 675 (Ariz.Ct.App. 2001) ( Fifth Amendment taking, prohibition on special legislation, freedom of association, equal protection, government's ability to regulate health matters); Lexington Fayette County Food Beverage Ass'n v. Lexington-Fayette Urban County Gov't, 131 S.W.3d 745 (Ky. 2004) (impermissible government interference with business, vagueness); Traditions Tavern v. City of Columbus, 171 Ohio App.3d 383, 870 N.E.2d 1197 (2006)(vagueness, substantive due process, equal protection); See also Thiel v. Nelson, 422 F.Supp.2d 1024, 1029-30 (W.D.Wis. 2006) (due process, equal protection challenges to smoking ban in prisons) (collecting cases)