Twelve percent believe Joan of Arc was Noah's wife

A friend writes today,

American Christianity: An Oxymoron?

It is very difficult for me to write about something that hasn't taught me something. To learn something new is to reconfigure the brain, if only slightly, and for me there is something about the process that creates a compulsion to write. No such compulsion was born of reading Bill McKibben's piece, in Harper's, "The Christian Paradox." Sure, there were a few little things that I learned from it, such as the dandy finding that

Only 40 percent of Americans can name more than four of the Ten Commandments, and a scant half can cite any of the four authors of the the Gospels. Twelve percent believe Joan of Arc was Noah's wife. [!!!!!]

That's how the essay begins. -read more-