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Stephen Colbert has won another key battle in his late-nightwarwith Jimmy Fallon: His CBSLate Showis now No.

1 this season among adult viewers under 50, the key demo group most attractive to advertisers.
In any event, the current demo competition remains fluid.
NBC notesTonightwon Thursday and Friday night in the demo, as postelection buzz cooled down a bit.
(So far this season,Late Showis more than 1.1 million total viewers ahead ofTonight.)