(October 6, 2015, 1:45 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court must overrule Abood v. Detroit Bd. of Ed. (431 U.S. 209 [1977]), invalidate public-sector agency shop arrangements and find that requiring public employees to affirmatively object to subsidizing nonchargeable speech by public-sector unions violates the First Amendment to the U.S. Constitution, a group of California teachers argue in their Sept. 4 petitioners’ brief (Rebecca Friedrichs, et al. v. California Teachers Association, et al., No. 14-915, U.S. Sup.)....