Clients sometimes come to my office, convinced they have an unassailable lawsuit. They cannot lose. They are certain they have the best evidence. But, in litigation, nothing is ever certain. In the case of Knepper v. Ogletree Deakins, Nash. Smoak & Stewart, P.C., No. 19-CV-0060 (C.D. Calif.), much has gone wrong. Dawn Knepper, who…