ETA:
Check that out... he even has CBN reporting on him.
http://www.cbn.com/CBNnews/204016.aspx Now you know that pissed them off too. He's an equal opportunity religious offender I guess

Moreover, given the increasing diversity of America's population, the dangers of sectarianism have never been greater. Whatever we once were, we are no longer just a Christian nation; we are also a Jewish nation, a Muslim nation, a Buddhist nation, a Hindu nation, and a nation of nonbelievers.
Sub-sect was taken from his website, and is used in various forms in most of his speeches.