The Wikipedia article I quoted earlier contained this sentence:

"All five major schools of Islamic jurisprudence agree that a sane male apostate must be executed."

Now could someone please explain to me whether or not this means that all Muslims have a duty to kill those who reject Islam in favour of another religion? Or is the Wikipedia article inaccurate and untruthful on this point? Or do the majority of peaceful and liberal Muslims simply ignore the decrees of Islamic law?