"United States ex rel. McLean v. Vilas" . . . . "creationist trial in Arkansas" . . . . "St. Paul & C. Ry. Co. v. McLean" . . "two-model approach" . . "McLean v. Clapp" . . . "McLean v. United States" . . . . "McLean v. Arkansas" . . . . . "McLean v. Arkansas" . . "McLean v. Arkansas Board of Education" . . . . "United States v. McLean" .