New Congressman Thinks Quran Thumps Constitution

[Downthestretch55]

Originally Posted by sham

Any legislator-to-be that disavows the US constitution should be run out of town.

Sham,
I'm confused. Where in the Constitution does it state that those that serve in government must be sworn in on the Bible?
Best I could find was something called the First Amendment that says something about "freedom of religion".