431 U.S. 209 97 S.Ct. 1782 52 L.Ed.2d 261 D. Louis ABOOD et al., Appellants,v.DETROIT BOARD OF EDUCATION et al. No. 75-1153. Argued Nov. 9, 1976. Decided May 23, 1977. Rehearing Denied June 27, 1977. See 433 U.S. 915, 97 S.Ct. 2989. Syllabus A Michigan statute authorizing union representation of local governmental employees permits an […]