
    No. 528.
    United States v. Hilton Hotels Corp.
    
      Solicitor General Griswold, Assistant Attorney General Walters, Matthew J. Zinn, Gilbert E. Andrews, and Stuart A. Smith for the United States. Burton W. Kanter for respondent.
   C. A. 7th Cir. Certiorari granted and case set for oral argument immediately following No. 412 [certiorari granted, ante, p. 875].  