A man arrested after he left profanity-laced voicemail messages for Cook County Circuit Clerk Dorothy A. Brown doesn’t have a case for a violation of his rights, a federal judge has held.In a written opinion, U.S. District Judge Edmond E. Chang dismissed a lawsuit Dennis Freeman brought against Brown and other defendants.Chang acknowledged Freeman’s messages did not contain any overt threats. But Freeman repeatedly insulted Brown “in the vilest terms possible,” Chang wrote.And, he wrote, a …