If you chase the links you can read an interesting back and forth on the merits, and lack of merits, of using religious arguments to advocate public policy. The gist:
Here is the deal, folks. No one is saying you can not or should not mention God, but you should be aware by now that I don’t care what your God (or anyone else’s, for that matter) thinks, so you can keep bringing him or her up, but I and others like me will not find it very persuasive. Sure, folks who agree with you and your God may love it, and mentioning God may be cathartic or make you feel good, and you can be satisfied that you are living within the belief system your God demands, but you aren’t being very persuasive (at least not to the folks you are ostensibly trying to persuade). […]
Basically, it boils down to this- if I wanted to live in accordance to rules as set by your faith, I would join your church. Until then, until you see me sitting two pews over on Sunday morning, just assume that I really don’t care what your God thinks. I don’t want the rules of your faith imposed upon me by the government, just as I do not desire the government telling me to live under the rules of Cardinal Ratzinger, the Church of Latter Day Saints, Sharia law, Wiccan rules, Buddhist tenets, and on and on and on. Nor do I think you should have to lives under laws that force you to adhere to the religious principles of someone else.