I dont believe in multiculturalism without a strong and opressing hand (fascism like) in the goverment.
We have a saying over here that goes: "One cannot please the Greeks and Trojans", meaning that when facing two complete opposite views of ways of life, it is impossible to legislate to please both sides.
For instance, how can a people who follows Jesus Christ, a prophet who lived a life of righteousness, co-exist with Mohammed, a pedophile prohet whose main message was to persecute and murder other creeds.