Mealey's (February 9, 2017, 9:22 AM EST) -- DENVER — A call center customer service representative who was fired for hanging up on customers, incidents she claims she doesn’t remember due to suffering from low blood sugar, failed to show that her termination was pretext for discrimination (Janna DeWitt v. Southwestern Bell Telephone Company, No. 14-3192, 10th Cir., 2017 U.S. App. LEXIS 843)....