William Cavanaugh v. Margaret McKenna. No. 0601160.Commonwealth of Massachusetts Superior Court. MIDDLESEX, SS. July 25, 2007. THAYER FREMONT-SMITH, J. INTRODUCTION The plaintiff, William Cavanaugh (“Cavanaugh”), has filed suit against the defendant, Margaret McKenna (“McKenna”), seeking an injunction and damages for her alleged breach of contract (Count I), unjust enrichment (Count II), and unfair and deceptive […]