 He has opposed the Federal Marriage Amendment, which would amend the US Constitution to define marriage as the union of one man and one woman, because he worries that with its passage "liberal social engineers who wish to use federal government power to redefine marriage will be able to point to the constitutional marriage amendment as proof that the definition of marriage is indeed a federal matter!I am unwilling either to cede to federal courts the authority to redefine marriage, or to deny a state's ability to preserve the traditional definition of marriage.