We already know how MPs will vote; why bother with a plebiscite? #auspol #marriageequality via @michaelkoziol http://www.smh.com.au/federal-politics/political-news/whats-the-point-of-a-plebiscite-asks-turnbull-government-minister-20160727-gqeud3.html?utm_source=twitter&utm_medium=social&utm_campaign=nc&eid=socialn%3Atwi-13omn1677-edtrl-other%3Annn-17%2F02%2F2014-edtrs_socialshare-all-nnn-nnn-vars-o%26sa%3DD%26usg%3DALhdy28zsr6qiq …