As an attorney, I represent people at the pinnacle of their careers facing front-page reputational attacks. I spend countless hours, day and night, counseling and consoling high-profile clients—from CEOs to celebrities—experiencing acute trauma. Those falsely accused of misconduct—professional or personal, sexual or criminal—face a hellish choice: Let it go and allow the lie to persist as a permanent blot, or fight back through the legal process to clear their name. As we talk through the decision, my clients grapple with the damage to their relationships, lives and reputations.

They...