¶1Mr. William Lemke, with whom Messrs. Robert H. McNeill, Louis M. Day, and T. A. Billingsly were on the brief, for appellants.
¶2Solicitor General Fahy, with whom Assistant Attorney General Tom C. Clark and Messrs. Robert L. Stern, John S. L. Yost, and W Carroll Hunter were on the brief, for appellee.
¶4The judgment is affirmed on the authority of Wickard v. Filburn, 317 U. S. 111.