487 F.3d 471 DIRECTV, INC. and Echostar Satellite L.L.C., Plaintiffs-Appellants,v.Mark TREESH, Commissioner for the Department of Revenue for the State of Kentucky, Defendant-Appellee. No. 06-5523. United States Court of Appeals, Sixth Circuit. Argued: January 23, 2007. Decided and Filed: May 31, 2007. ARGUED: Pantelis Michalopoulos, Steptoe & Johnson, Washington, D.C., for Appellants. Douglas M. Dowell, […]