It’s almost never difficult to spot the bad guy in a Hollywood film – he’s immediately recognizable by whatever characteristics Americans have currently devised to indicate people who are not to be trusted. In the 1940s and ’50s, it was German accents and jackboots, and the Nazi archetype served the movie business well for decades, even when the villain in question wasn’t actually German. Now, with 9/11 fresh (but not too fresh) in the American mind, Hollywood villains are taking a decided turn for the Arabian. Even so, “the most popular enemies of the 21st century are still the ones without nation, religion or creed who aren’t going to offend anyone.” Another alien invasion flick, anyone?