Nolan Talks About The Dark Knight, And The Joker

The Dark Knight director, Christopher Nolan, talks with Robert Siegel:

"Really, we wanted him to be the most frightening possible version of this character, the sort of edgiest possible,"

"What Heath had to do -- and I think he did it in a really incredible way -- is he had to balance the need for The Joker to be an iconic presence, but be a human being and be somebody that you can listen to and believe," Nolan says.

NPR has the interview here.