( August 13, 2026, 2:29 PM EDT) -- NASHVILLE, Tenn. — A treating doctor cannot opine that a man who says his employer retaliated against him after he requested an accommodation for his disability was capable of performing the essential functions of his job with or without a service dog but can testify that his condition worsened after the employer denied his request to bring the service dog to work, a Tennessee federal judge held....