294 F.3d 849 CIGNA HEALTHCARE OF ST. LOUIS, INC., et al., Plaintiffs-Appellants,v.Timothy N. KAISER, et al., Defendants-Appellees. No. 02-1278. United States Court of Appeals, Seventh Circuit. ARGUED May 17, 2002. DECIDED June 21, 2002. As amended July 31, 2002. Brian D. Boyle (argued), O’Melveny & Myers, Washington, DC, Joseph J. Duffy, Stetler & Duffy, Chicago, […]