
    No. 79-1977.
    No. 80-5693.
    No. 80-6214.
    No. 80-6324.
    No. 80-6542.
    Rodriguez v. Compass Shipping Co., Ltd., et al.; Perez v. Arya National Shipping Line, Ltd.; and Barulec v. Ove Skou, R. A., Crawford v. Texas, Duffield v. United States, Milton v. Texas, Collier v. Los Angeles Southwest College,
   451 U. S. 596;

452 U. S. 931;

451 U. S. 1019 ;

451 U. S. 1031; and

452 U. S. 919. Petitions for rehearing denied.  