Amid a yearslong legal malpractice suit against Wachtell, Lipton, Rosen & Katz , lawyers for the storied New York firm and CVR Energy Inc., a Sugar Land, Texas-based company controlled by Carl Icahn, are now asking a federal judge to settle a heated deposition dispute in which the famed corporate raider bristled at Wachtell's questioning, leading to its abrupt end. "I don't think you have a right to come in and ask me questions.