352 A.2d 810 GENERAL MOTORS CORPORATION v. PISKOR [No. 61, September Term, 1975.]Court of Appeals of Maryland. Decided March 3, 1976. DEFAMATION — Negligence Standard Applied In Private Defamation — Truth Not An Affirmative Defense — Plaintiff Must Prove Falsity Of Defamatory Statement And Negligence By Preponderance Of Evidence — Compensation For Negligent Defamation Limited […]