Originally Posted by mikesouth

actually you are wrong

it says that Amendment I

Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof;

This is the basis of the separation of church and state notion...obviously.

it is further backed up by the fact that churches are tax exempt for this reason.

now it doesn't expressly state a separation but constitutional scholars have long held that separation is exactly the intent and courts have upheld this notion so you can argue it all you like but it is a fact till the courts decide otherwise.