updated 10:25 p.m. ET March 13, 2008
Movies

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Ledger's 'Dark Knight' Joker makes his debut
'He was immensely proud of the work,' director Nolan said of Ledger

AP
Christian Bale, left, Maggie Gyllenhaal and director Christopher Nolan
arrive for the showcase of Warner Bros' upcoming films at the ShoWest
held at the Paris hotel and casino in Las Vegas on March 13.
The Associated Press
LAS VEGAS - This time out, there's no vat of chemicals to explain how
Batman's greatest enemy came to be the twisted sociopath known as the
Joker.

Heath Ledger's Joker springs full-blown in this summer's "The Dark
Knight," the sequel to 2005's "Batman Begins" that was previewed for
theater owners Thursday with a clip showing the new movie's opening
sequence.