"People have chosen to take the oat without a hand on any book."
I know but that is not an answer to my question. I don't have a dog in this hunt I was just wondering about other current elected officials who are not Christian. My bet is that many just follow the traditional ceremony and not make a stink, which is what I would do personally. I was just curious.
To my knowledge no book other than the Bible has been used. However, many have used no book.