David Letterman, left, and Jon Stewart appear on stage at Comedy Central's 'Night Of Too Many Stars: An Overbooked Concert For Autism Education' at the Beacon Theatre in New York, Saturday, Oct. 2, ... more 
David Letterman, left, and Jon Stewart appear on stage at Comedy Central's 'Night Of Too Many Stars: An Overbooked Concert For Autism Education' at the Beacon Theatre in New York, Saturday, Oct. 2, 2010. less 
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Associated Press | Photo By Charles Sykes
Sun, Oct 3, 2010 1:30 AM EDT