
    No. 81-1889.
    No. 81-1958.
    No. 81-2042.
    No. 82-19.
    Public Service Commission of the State of New York v. Mid-Louisiana Gas Co. et al.; Arizona Electric Power Cooperative, Inc. v. Mid-Louisiana Gas Co. et al.; Michigan v. Mid-Louisiana Gas Co. et al.; and Federal Energy Regulatory Commission v. Mid-Louisiana Gas Co. et al.
   C. A. 5th Cir. [Certiorari granted, 459 U. S. 820.] Motion of respondents for leave to file reply to supplemental memorandum filed after argument granted.  