Following takeoff from Nashville Sunday afternoon, a United Airlines passenger warned a fellow flyer that, “I kill white people like you” when she wasasked to turn off her cell phone, investigators allege. The disruption on Flight 4205, which was bound for Houston, resulted in the Embraer 135’s return to Nashville’s airport, where Lashonda Lee Williams was arrested for assault. The 43-year-old Williams, seen at right, was asked by another female passenger to “turn off her cell phone due to the aircraft being in flight,” according to a court affidavit. In reply, Williams allegedly said, “I kill white people like you.” Investigators...