opinion: CARTER, PUBLIC VEHICLE LICENSE COMMISSIONER OF CHICAGO v. MILLER
  No. 76-1171.
  Argued November 29-30, 1977
  Decided January 17, 1978
  William R. Quinlan argued the cause for petitioner. With him on the briefs were Daniel Pascóle and Robert Retke.
  Robert Masur argued the cause for respondent. With him on the briefs were Alan Freedman, Howard Eglit, and David Goldberger.
  Briefs of amici curiae urging affirmance were filed by William B. Spann, Jr., and Robert B. McKay for the American Bar Assn.; and by James R. Madison and Norman C. Hile for the San Francisco Lawyers' Committee for Urban Affairs.
  Per Curiam.
  The judgment is affirmed by an equally divided Court.
  Mr. Justice Blackmun took no part in the consideration or decision of this case.
choices: case did not arise on cert or cert not granted federal court conflict federal court conflict and to resolve important or significant question putative conflict conflict between federal court and state court state court conflict federal court confusion or uncertainty state court confusion or uncertainty federal court and state court confusion or uncertainty to resolve important or significant question to resolve question presented no reason given other reason