Letterman Suspect Pleads Not Guilty

Robert Halderman, the producer accused of attempting to extort $2 million from David Letterman, pleaded not guilty at his arraignment in a Manhattan court today. Halderman allegedly wrote of his intention to "make a large chunk of money" off Letterman, saying, " [Letterman's] world is about to collapse around him." If convicted, Halderman could serve up to 15 years in prison.