Your contempt for the Constitution is evident. Im sure youd be quite comfortable in the Democrat party.
You're real quick to stoop to name-calling without knowing anything about a person or the topic being discussed. That's Alinskyite behavior.
Any religious practice that violates the rights of other people, or involves criminal acts, is already banned by laws of various sorts. Just about everything the muslim sub-humans do that defines their so-called religion is already a crime of some sort.
The "Free Exercise" clause of the First Amendment does not give any religion or person the right to violate the rights of other people, nor to violate existing laws, nor to corrupt our legislative or judicial processes.
IANAL, but I'd guess the people and the states could easily show a "compelling interest" in the discussions of banning the muslim practices of beheading those with whom they disagree, or stoning women for getting raped, or killing those who leave islam for some other religion, or just plain old every-day-muslims-blowing-up-stuff-and-killing-people-just-because.
Here's a wiki summary of the Free Exercise Clause for you to read while you're thinking up your next round of name-calling.
uhh... hate to break it to you, but beheading, stoning and “blowing up stuff” are already illegal (i.e. banned)