The scope of liability for innocent misrepresentation has varied with time and with context, in American law generally and in this court. Traditionally, no cause of action lay in contract for damages for innocent misrepresentation; if the plaintiff could establish reliance on a material innocent misstatement, he could sue for rescission, and avoid the contract, but he could not get affirmative relief. See Restatement (Second), Contracts §§ 304, 306, and Introductory Note to Chapter 13 (Tentative Draft No. 11, 1976). In tort, the basis of responsibility, although at first undifferentiated, was narrowed, at the end of the 19th century, to intentional misconduct, and only gradually expanded, in this century, to permit recovery in damages for negligent misstatements. Prosser, Torts (4th Ed. 1971) § 107. At the same time, liability in warranty, that curious hybrid of tort and contract law, became firmly established, no later than the promulgation of the Uniform Sales Act in 1906. In contracts for the sale of tangible chattels, express warranty encompasses material representations which are false, without regard to the state of mind or the due care of the person making the representation. For breach of express warranty, the injured plaintiff has always been entitled ...