If Christopher Nolan weren't a movie director, he could be a Ralph Lauren ad. Tall, blond and civilized, he sits in a rocking chair in his living room politely answering questions in a soft British accent.
But give Nolan a camera, and he goes straight for the most disturbed characters he can find. Last year he reinvented film noir with Memento, a low-budget story that he wrote and directed about an amnesia victim searching for his wife's killer. It started at the end and worked back toward the beginning, while the protagonist tattooed clues on his body. After Nolan weathered rejections...