(June 9, 2016, 8:23 AM EDT) -- DENVER — A fire department hazmat director who retired shortly after receiving a workers’ compensation award due to an injury that caused permanent lifting restrictions failed to show that his retirement was constructive discharge as the result of disability discrimination and retaliation, the 10th Circuit U.S. Court of Appeals ruled May 26 (Robert E. Adair v. City of Muskogee, Oklahoma, No. 15-7067, 10th Cir.; 2016 U.S. App. LEXIS 9636)....