Second Lt. Ilario Pantano was making a six-figure income as an energy trader with Goldman Sachs in New York when the World Trade Center was attacked. Pantano had friends who worked in the twin towers and friends among the firefighters who perished trying to save them. This Marine veteran, who had already served his country in the first Gulf War, set aside his career (which also included work in film and television), kissed his wife and two children goodbye, and headed to Quantico, Va., for officer training school. A Marine Corps colleague asked, "How many guys do you know (who)...