TONIGHT: Actor Don Cheadle talks about his role in the film "Hotel Rwanda".

Tonight, actor Don Cheadle promotes his new movie, Reign Over Me.Jon first talks about Al Gore testifying in front of Congress about global warming in a segment called "Welcome Back, Hotter". Jon then talks about the fired U.S. Attorney's and Press Secretary Tony Snow trying to sell Bush's offer that Karl Rove testify in private and not under oath in "Showdown at Justice". Finally, Jon talks with Demetri Martin about Viacom suing Google and YouTube over copyright infringment.

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