Ah, the blind leading the blind.
Freedom of religion INCLUDES freedom from religion (imposed by the government). How can a Jew live freely in a nation that imposes either Sharia Law or Canon Law? We can't and we couldn't.
Separation of Church and State has been "in the Constitution" from the start. But both liberals and conservatives often misunderstand what that means: simply that government can have no role in religion, and religion can have no role in government.
Stop letting your obvious obsession with homosexuality distort your view of reality.