Under a Mushroom Cloud: Europe, Iran and the Bomb, by Emanuele Ottolenghi;  Profile Books, 2009, $25. This book, by the Director of the Brussels-based Transatlantic Institute, deals with one of the most serious issues in the world today: With Iran pushing ahead to develop nuclear weapons, what is the West going to do about it? Indeed there are great moral questions posed not only by the nuclear issue, though that obviously has the potential to be the most dire matter, but by the conduct of the Iranian regime in general. In August 2002 the National Council of the Opposition in…