'Dark Knight' sets box office record with $66.4M

LOS ANGELES — Batman's joust with the Joker has set another box office record. Stoked by fan fever over the manic performance of the late Heath Ledger as the Joker, "The Dark Knight" set a one-day box office record with $66.4 million on opening day, Warner Bros. head of distribution Dan Fellman said Saturday.

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