First of three parts The threat of the radical Islamists taking over Europe is every bit as great to the United States as was the threat of the Nazis taking over Europe in the 1940s. We cannot afford to lose Europe. We cannot afford to see Europe transformed into a launching pad for Islamist jihad. While we in the United States and Europe have vast resources for protecting ourselves, we have thought ourselves into a position of near impotence. Beyond the growing number of Muslims committed to terrorism is the threat from the Islamic diaspora's growing cultural and religious assertiveness...