
    No. 71-1119.
    No. 72-737.
    No. 72-5622.
    Indiana Employment Security Division et al. v. Burney, Weiss v. Walsh et al., Nichols v. United States,
   409 U. S. 540;

409 U. S. 1129; and

ante, p. 911. Petitions for rehearing denied.  