Hence also the demand that hate speech laws should not apply to Muslims because it is their religious duty to denigrate others, but others do not have the right to either protest against such denigration or question the basis of this presumed right of the fanatics.
Ah, that explains it.
Tell the islamic fanatics to go Cheney themselves.
What he's not telling you is that muslims believe they have the right to aggressively push their religion while others don't, because they believe islam is a true religion while all others are false.