Ryan Anderson : Some social scientists cite research to support same - sex marriage . He says the data do n't support that conclusion about same - sex marriage . It will take a long time to answer the question rigorously , he says . Anderson : We do know that roles of father , mother are distinct and vital .
Ryan Anderson : Some social scientists cite research to support same-sex marriage . He says the studies do n't support that conclusion about same-sex parenting . It will take a long time to answer the question rigorously , he says . Anderson : We do know that roles of father , mother are distinct and vital .