
    No. 77-1567.
    No. 78-730.
    No. 78-786.
    No. 78-5784.
    No. 78-5819.
    Buck v. Hunter et al., American Export Lines, Inc., et al. v. Metal Traders, Inc., McDannald v. Hill, Attorney General of Texas, et al., Gibson v. Missouri Pacific Railroad Co. et al., Alers v. Toledo et al.,
   439 U. S. 1059;

439 U. S. 1128;

439 U. S. 1128;

ante, p. 921; and

439 U. S. 1131. Petitions for rehearing denied.  