State Police are searching for the wife of a southwest suburban Bolingbrook police sergeant. "Because he's one of our officers, we thought it would be better to have an independent agency investigating," Bolingbrook Mayor Roger Claar said of the state's involvement in the disappearance of Stacey Peterson. It was not clear how long Peterson, the 23-year-old wife of Bolingbrook police Sgt. Drew Peterson, has been missing. She was supposed to help a friend do some painting, but never showed up. Drew Peterson's previous wife, 40-year-old Kathleen Savio, was found dead in the dry bathtub of her Pheasant Chase home in...