Debunking The 'Complementarity' Argument Against Marriage Equality | ThinkProgress

"...If opponents of marriage equality truly valued complementarity, they would instead recognize that every study that has actually evaluated the parenting of same-sex couples has found that their commitment to each other and to the children they are raising together is what ensures success..."
http://thinkprogress.org/lgbt/2013/10/17/2800721/debunking-complementarity-argument-marriage-equality/