I have had a Muslim friend who was not born and raised in this country ask me honestly why there is separation of church and state here. When I pointed out that that if a government had the power to regulate religion, they could easily pass anti-religion laws and even tax religions out of existence if they so chose, he seemed to accept it if not fully understand it.
My opinion is that we should go back to the time when neither sex, politics, nor religion was discussed in polite company. Like anything else personal, if it stays behind closed doors, it is fine. As a Christian (or any other faith), you have 8 hours a day when you are at work or in school, and 16 hours a day when you are not. Is it really too much to ask that you confine your beliefs to the 2/3 of your life when you are not in public?
It case it wasn't clear, I'll state my point more strongly -- religious beliefs are disgraceful and shameful, showing a complete lack of willpower and unwillingness to take personal responsibility for your own life, and should be hidden from public view.
Maybe I'm just oversensitive, but Jesus freaks like Tebow get under my skin and drive me nuts. (Like if there really was a God, he would give a shit whether you won a stupid football game or not, or he would purposely make the other team lose.) Mormons are a dangerous cult, mostly because they are particularly aggressive in trying to foist their demented beliefs on others. And don't get me started on Muslims. Every one I've met (and I know several), outwardly appears "Americanized", but they all believe that America should be 100% Muslim and under Sharia law. Scary stuff, especially for an atheist like me, and especially one who looks back at all of the strife and turmoil that religion has caused throughout history, and which continues to this day.