South Carolina Sen. Lindsey Graham, who is expected to announce a presidential bid, says if the Supreme Court rules same-sex marriage bans unconstitutional, then it will be time for Republicans to move on. Graham told Boston Herald radio on Monday that society is changing and a constitutional amendment defining marriage as between a man and woman is no longer possible. “Well, can you be for traditional marriage? Yes. Am I for traditional marriage? Yes, I believe marriage has stood the test of time between a man and a woman, ordained by God, and that’s — most societies have been organized...