Some same - sex marriage activists might wish to exclude certain moral and religious viewpoints from the same - sex marriage debate. Evidence shows, however. Same- sex couples want to marry to create a firm personal and legal and Not Clearly Pro or Con positions at various points in his political career. . That, I believe, gives the argument of same sex marriage proponents its moral force .. " [I]f society permits same - sex marriage, it also will have to allow other types of marriage. The U.S. Supreme Court today issued a landmark ruling granting same - sex couples a constitutional right to marry. The decision in.