It was John Lennon who sang: You say you want a revolution/Well, you know/We all want to change the world. There’s no doubt the world has changed in the Middle East, perhaps fundamentally. People are saying there was a time before Tunisia, and now a time after Tunisia. In other words, the peaceful revolution that provoked Tunisia’s leader Zine al-Abidine Ben Ali to throw in the towel and flee to Saudi Arabia has changed everything in the region.