426 U.S. 476 96 S.Ct. 2160 48 L.Ed.2d 781 RALSTON PURINA COMPANY et al.v.LOUISVILLE AND NASHVILLE RAILROAD COMPANY et al. No. 75-1015. June 14, 1976. Rehearing Denied Oct. 4, 1976. See 429 U.S. 875, 97 S.Ct. 199. PER CURIAM. 1 This is an appeal from the judgment of a three-judge District Court setting aside and […]