He did
Huckabee did in fact promise in January to amend the Constitution to bring it into compliance with the Bible.
"[Some of my opponents] do not want to change the Constitution, but I believe it's a lot easier to change the constitution than it would be to change the word of the living God, and that's what we need to do is to amend the Constitution so it's in God's standards rather than try to change God's standards,"
YouTube video
