While there is nothing that prevents officials from being sworn in on a Bible, there's certainly nothing wrong with following Brennan's example and honoring the U.S. Constitution. Doing so not only sends a positive message, it frees government from giving the appearance of religious favoritism.
MORE: https://www.au.org/blogs/wall-of-separation/no-bible-for-brennan-cia-director-takes-oath-of-office-on-constitution
