
    No. 73-1766.
    No. 73-1834.
    United States v. Nixon, President of the United States, et al.; and Nixon, President of the United States v. United States.
   Petitions for certiorari before judgment to C. A. D. C. Cir. [Certiorari granted, 417 U. S. 927 and 960.] Motion of American Civil Liberties Union for leave to file a brief as amicus curiae in No. 73-1766 granted. Motion of respondent Strachan in No. 73-1766 for leave to participate in oral argument denied.  