MEDIA
03/18/2010 05:12 am ET Updated May 25, 2011

Joe Halderman Being Investigated By CBS News

But, according to The Observer's sources, Mr. Keteyian and his team of producers are actively investigating the love triangle gone horribly awry between the CBS Late Show host; his former employee Stephanie Birkitt; and the suspended-with-pay Mr. Halderman.

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