Option One: Gay marriage is wrong both theologically and politically. Neither the Jewish nor Christian faiths can be twisted into affirming it theologically. (Andrew Sullivan agrees.) Without male-female complementarity, politics would not even exist. No community without that complementarity would even have a future. Male-female marriage and childbearing are at the heart of politics.
Option Two: Gay marriage is clearly wrong theologically. There is nowhere for the church to go on the issue. However, the aspirations of politics can be different than the aspirations of faith. One possibility would be to say that adults are free persons who have to make their own moral choices and those shouldn’t be regulated when they don’t directly interfere with the lives of others.
Option Three: We can simply make a new decision theologically about gay marriage. Maybe we can even find a way to reinterpret sexuality within the Christian context. We can solve the theological problem. And politically, there is no problem. Politics is about majorities and the new majority is moving swiftly into place.
What does it all mean for Christians? I would suggest that faithful Christians can find themselves embracing either option one or option two, but that option three is not available to anyone with any reasonable concern for orthodoxy.