Monday Movie Buzz: Bale's Batman voice too much?

Though 'The Dark Knight' has been a bona fide cultural event, boasting rave reviews and boffo box office, it hasn't been immune to criticism. Some have quibbled with its political undercurrents, and others have criticized a muddled theme.

But here's the critique most widely held: Why does Batman talk like the offspring of Clint Eastwood and a grizzly bear?

Donning the costume for the second time, Christian Bale has delved deeper into the lower registers. As Bruce Wayne, his voice is as smooth as his finely pressed suits. But once he puts the cape on, the transformation of his vocal chords is just as dramatic as his costume change.