Former NFL star Darren Sharper is set to be arraigned Thursday in Los Angeles on rape and drug charges in an investigation into allegations that he drugged and sexually assaulted at least seven women in four states. Sharper, 38, was charged last week with seven rape and drug counts involving four women he allegedly met at a West Hollywood nightclub. Court documents filed Friday revealed additional allegations in Las Vegas, New Orleans and Tempe, Ariz., that are all still under investigation. The former New Orleans Saints safety appeared in court for the first time Friday but did not enter a...