361 U.S. 376 361 U.S. 376 80 S.Ct. 474 4 L.Ed.2d 384 PHILLIPS CHEMICAL COMPANY, Appellant,v.DUMAS INDEPENDENT SCHOOL DISTRICT. No. 40. Argued Nov. 17, 18, 1959. Decided Feb. 23, 1960. Mr. Clark M. Clifford, Washington, D.C., for appellant. Mr. John F. Davis, Washington, D.C., for the United States, as amicus curiae, by invitation of the […]