Appeal from the Supreme Court of Nebraska. (Probable *991jurisdiction noted, 350 U. S. 910.) The motion of the State of Nebraska for leave to appear and present oral argument, as amicus curiae, is granted and 30 minutes is allowed for that purpose.
Lester P. Schoene and Milton Kramer for appellants. Clarence S. Beck, Attorney General, and Robert A. Nelson, Assistant Attorney General, for the State of Nebraska, movant.
