On a March दिन in Oregon, the sun's as bright as a California morning. That's great news for the locals, but it sucks if you're a vampire. For two weeks, Twilight, the $37 million film adaptation of Stephenie Meyer's best-selling novel, has been shooting outside Portland — a location chosen, in part, because the skies are often overcast. Vampires, in Meyer's universe, can go out during the दिन but have to stay out of direct sunlight. Hence, today's problem. Director Catherine Hardwicke (Lords of Dogtown) has had to scrap an exterior shoot, and, because tomorrow's weather looks annoyingly...