Dish Of Salt: John Lithgow On Globes-Winning 'Dexter' Role - 'I Gave Everyone Nightmares'

Prior to winning a Golden Globe for his guest starring turn as the Trinity killer in "Dexter," John Lithgow discusses the "creepy" role of a lifetime. Plus (spoiler alert): John raves about "Dexter's" "astounding ending" to Season 4.

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