During World War II, Frank Capra made a series of films called "Why We Fight" to rally Americans behind the war effort. Imagine a filmmaker doing that today. Actually, it's impossible to imagine. Hollywood either prefers to stay away from the war on terrorism altogether (the film version of Tom Clancy's "The Sum of All Fears" changed the villains from Islamist extremists to neo-Nazis) or to use it, even in its pre-9/11 form, as a morality play to warn against lost civil liberties (see "The Siege," starring Denzel Washington). The film community — whose exquisite sensibilities are routinely outraged by...