He's been a loud, inescapable and expensive adversary of the New York Police Department for years: the publicity-loving lawyer who got huge settlements, and headlines, in some of the city's most notorious brutality cases. Now Sanford Rubenstein is getting unwelcome attention as a potential rape suspect. --snip-- A member of Sharpton's National Action Network has accused the 70-year-old attorney of sexually assaulting her at his luxury apartment after Sharpton's 60th birthday party