Some things never change. One thing you can count on the modern "right" for is legislating morality and seeking to impose their viewpoint upon us all. That is the main reason these clowns never appeal to me even though they talk a good line fiscally.
<Shrug> Both parties want to (and do) legislate their versions of morality.
..and for the record: For this (not particularly religious) individual I have invariably found images of the Christ presented in this manner
(or covered in blood... or molded in feces... or made of dead animals.. or whatever else artists decide to 'shock' us with today...) to be rather Puerile. So while I disagree with the reasons our Congressmen have presented as their argument, I do opine this is the sort of "art" you might find in a Jr High School locker room, and therefore it is a poor fit for places like The Smithsonian or The Guggenheim. I would offer MOMA as well, but they already dabble in this stuff with some regularity. So meh...
And also for the record: I have no intention of going to the Smithsonian to view the exhibit.
Oh: On a more serious note, I find it laughable we're not allowed to portray Christmas related exhibits in public buildings as part of the Holidays, but images of Christ covered in Flies are somehow perfectly appropriate.