(December 1, 2017, 11:29 AM EST) -- RICHMOND, Va. — An airline ground control agent, who was already on the final level of discipline and contributed to a communication breakdown that led to the overbooking of a plane and resulting delay, was unable to show that his termination was due to age or race discrimination, a Fourth Circuit U.S. Court of Appeals panel ruled Nov. 28 in an unpublished opinion (Michael Tillery v. Piedmont Airlines, Inc., No. 16-2225, 4th Cir., 2017 U.S. App. LEXIS 24074)....