Obviously, Pence has no idea what the constitution says.

The potential for violation is there, as the Whitehouse would be considered a federal building, and we all know what the First Amendment states. That goes way beyond being just a little disturbing, but then again keep in mind who you're dealing with...Pence is nothing more than an over glorified meat puppet.

It doesn't involve making laws about religion or establishing religion. I'm not sure how it would violate the constitution, but it is troubling.

The Freedom from Religion Foundation and Americans United for the Separation of Church and state was both looking intogooing to court over this very issue