Iran has just seen several weeks of lethal turmoil, the most severe since the 1979 Islamic Revolution that forever changed the country and, for that matter, the world. That revolution, almost half a century ago, toppled a monarchy that leaned to the West and replaced it with an Islamic republic that wanted to eradicate the West. Now, masses of Iranians want to eradicate the Islamic Republic. But such a regime is not inclined to yield to popular sentiment. Beginning on Dec.