Until Muslims attain a critical mass our Constitution protects an ideology which seeks to destroy the Constitution. Once in the country, Islam must be treated as any other religion by the Constitution but on the streets there are no go zones.
Muslims must be stopped at the border, once they are in we lose.
Mohammedanism is antithetical to Americanism.
That's why I always think that motorists with "Coexist" stickers on their cars are basically self-identifying as terminally stupid (in the most literal sense).