Who doesn't love a democratic revolution? Who is not moved by the renunciation of fear and the reclamation of dignity in the streets of Cairo and Alexandria? The worldwide euphoria that has greeted the Egyptian uprising is understandable. All revolutions are blissful in the first days. The romance could be forgiven if this were Paris 1789. But it is not. In the intervening 222 years, we have learned how these things can end.