One surefire way to avert a nuclear holocaust. If you were a Jew in Europe in 1941, and you actually knew that Hitler was developing the means to carry out his threat to exterminate the Jews, what would you do? Dismiss the danger as overstated? Try to arouse the nations of the world to stop him? Or take upon yourself to employ every means possible -- both physically and spiritually -- to avert the catastrophe? If you are a Jew in 2007, and you actually know that Ahmadinejad is developing the means to carry out his threat to exterminate the...