93 S.E.2d 662 HOLLAND v. BOYETT. 19328.Supreme Court of Georgia.ARGUED JUNE 11, 1956. DECIDED JULY 9, 1956. HEAD, Justice. 1. In order for the occupants of a conveyance to be engaged in a joint enterprise, under the rules of law pertaining to negligence, there must be not only a joint interest in the objects and […]