
    No. 77-1163.
    No. 77-1164.
    No. 77-1186.
    Friedman et al. v. Rogers et al.; Rogers et al. v. Friedman et al.; and Texas Optometric Assn., Inc. v. Rogers et al.
   D. C. E. D. Tex. [Probable jurisdiction noted, 435 U. S. 967.] Motion of American Optometric Assn, for leave to file a brief as amicus curiae granted.  