The present wave of revolt across the Middle East -- Tunisia, Egypt, Libya, etc. -- seems to show the power of a rising generation that will no longer stand for rule by dictatorship. The degree to which Islamic belief plays a part in fuelling this revolt is open to question. Nor is it clear what will emerge to replace the regimes and ruling families that are falling. Western newspapers assume the call is for "democracy", but what does that mean, exactly, and what might it mean in a confessional Muslim state? The word itself literally means "people power". But how are the people to exercise their power,