Oh wait, they already have:
"If the United States tries nation building, it's got to [have] at the very top of its agenda a separation of church and state. There has to be a secular state in there and not an Islamic state." - Pat Robertson, March 24, 2003
"We have had a distortion imposed on us over the past few years by left-wingers who have fastened themselves into the court system. And we have had a lie foisted on us that there is something in the Constitution called separation of church and state." - Pat Robertson, October 18, 2002