509 U.S. 312 509 U.S. 312 113 S.Ct. 2637 125 L.Ed.2d 257 Leonard HELLER, Secretary, Kentucky Cabinet for Human Resources, Petitionerv.Samuel DOE, By his Mother and Next Friend, Mary DOE, et al. No. 92-351. Argued March 22, 1993. Decided June 24, 1993. Syllabus * Kentucky permits the involuntary commitment of mentally retarded or mentally ill […]