A major problem with Islamic radicalism and terrorism is that it has been around for over a thousand years and is endemic to Moslem nations. This is because Islam is based on the belief that government, and the lives of all Moslems, should be ruled by Islamic law (sharia).
Yet through most of its history (since Islam arrived 1,500 years ago) Moslems have been ruled by secular laws (or a combination of sharia and secular, with non-clerics having the final say). In other words, the concept of sharia never caught on in a big way. Yet all Moslem religious education stresses that living according to sharia is the ideal lifestyle for a Moslem. [StrategyWorld.com] Read more [via National Secular Society]