The United States has been involved in many wars, sometimes for noble causes like defeating Nazism, and, at other times, it has compromised its own ideals, leading to a lot of soul searching and regrets. Some wars are celebrated as glorious achievements (World War II), some are 'forgotten' (Korea), and some are 'ignored' (Afghanistan). The current wars in the Middle East represent a complex interplay of motivations, challenges, and threats to America's...