498 U.S. 439 111 S.Ct. 865 112 L.Ed.2d 969 Mark E. DENNIS, Petitioner, v. Margaret L. HIGGINS, Director, Nebraska Department of Motor Vehicles, et al. No. 89-1555. Argued Oct. 31, 1990. Decided Feb. 20, 1991. Counsel: Richard A. Allen, Washington, D.C., for petitioner. L. Jay Bartel, Lincoln, Neb., for respondents. [hr] Syllabus Petitioner motor carrier […]