News.com: “Viacom Sued Over Colbert Parody on YouTube”:
“Viacom is misusing U.S. copyright law by forcing YouTube to remove a parody video of The Colbert Report, according to a lawsuit filed against the media conglomerate Thursday. However, Viacom denies the accusation and said it does not object to the video being on YouTube.”

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Let me anticipate two questions.
C-Span is not a government entity, but a not-for-profit consortium backed by the cable industry, and, all other things being equal, can own and assert copyright.
Second, a congressperson showing a bit of C-Span footage of a congressional hearing on the congressperson’s website, would seem to be fair use.
OK,

NewTeeVee: “YouTube, MySpace Face European Copyright Clash“:
“Collective licensing organizations throughout the continent have been demanding compliance in recent months, seeking their share of the potential billions generated by online video. At the forefront of this movement is GEMA – a German organization that now now has its sights on YouTube and MySpace.”