chicago 39-hour democratic filibuster missouri senate end wednesday republicans force vote approve proposal prohibit sanction group wed vendors discriminate same-sex couple religious reason resolution amend state constitution pass 23-9 majority republican caucus use parliamentary maneuver end filibuster begin 4:00 p.m. cst monday say lauren hieger communications director missouri senate majority caucus amendment must vote senate next week pass low house republicans majority state voters hieger say missouri governor jay nixon democrat applaud effort senate minority block resolution rewrite state constitution condone discrimination would contrary value harmful economy nixon say statement wednesday legislation among series measure introduce around country conservatives response last year u.s. supreme court legalization same-sex marriage measure seek protect religious group company fin punish decline provide service wed cake flower same-sex couple republicans back amendment say religious freedom democrats say would enshrine discrimination state constitution give minority position chamber missouri general assembly democrats choose filibuster debate overnight monday tuesday block initiative inspire senators heroic stand discrimination mo nation watch cheer nixon tweet tuesday night pluralistic society room respect religious freedom missourians republican senator bob onder sponsor bill tell reporters news conference wednesday morning say language bill modify compromise tuesday narrowly define wed vendors american civil liberties union civil right group say would work fight bill missouri house representatives amendment raise serious constitutional concern single same-sex couple discrimination jeffrey mittman executive director aclu missouri say statement missouri senate republicans pass anti-gay religious amendment