Surely the law makers, in Britain and the US are intelligent enough, to write laws against incitement to violence by so called religious leaders(presuming existing laws are deficient). The question is if, even in light of Sept. 11th, they have the political will.
Common sense dictates these devil-worshippers be arrested, tried and put in prison, or deported if not citizens. Religious freedom, freedom of speech, and the Constitution were not intended to be a suicide pact.