. >> frap sis, there's been a whole genera of books on atheism. richard, christopher hitchens, two. guests we've done on the series in london. justin web of the bbc described america religious thought in many wayings as stone age beliefs, and laci, a committed atheist, why is it that europe has gone this way, especially when there's so many historical churches and so much history of the church? >> guest: oh, i have 50 answers to that. i'll give you two of them. one is sociological, really. there's the united states religion that is voluntary, part of the way the people organize themselves in towns and cities. you arrive somewhere and go, where's our church, and you expect to support your own church when you got one. you write a check to pay the minister's salary. in europe, the historic churches have been kind of part of the infrastructure of society, and like the drains and electric light, that is somebody else's responsibility to provide. once the kind of big cultural and social changes of the 60s were on us, the church was wrong footed about, well, sex basically, and people fell