The Washington Post has produced six massively detailed maps showing the religious make-up of America. The main map is above – if you want to enlarge it you'll have to click through to the Post's report here. The author/analyst, Niraj Chokshi, has uncovered some fascinating material – most of it lurking in the 2010 US Religion Census (data submitted by congregations, not the official US Census) but so much more surprising set out in map form. And here's an example. Did you know there are – possibly – now more religious Muslims than religious Jews in Florida? I know, it...