Clark v. Champion National Security, Incorporated (No. 18-11613, January 14, 2020) is the Fifth Circuit’s latest statement on whether the Americans with Disabilities Act (the “ADA”) requires an employer to excuse terminable misconduct—here, sleeping on the job—based on an employee’s after-the-fact, disability-related explanation. It does not.

Clark, an insulin-dependent Type II diabetic, was a personnel