The base is simple. As there is no evidence to say there is no god and the narrative is either in books or heads, you would find it difficult to get research funding to prove one way or another.

I love the Advertising Standards Authority's dilemma the other year. Dawkins & Co put up posters on buses saying there is no God. God botherers objected. The ASA had to intervene and rule. Basically, they had to rule as to whether there is a God or not. It seems there isn't....

Bit of a bugger really, considering the many fine historical buildings, not to mention the priceless art. No problem, I am sure the poor and needy could do with the proceeds of the sales.....