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In this photo provided by CBS, talk show host Keith Olbermann, left, chats with host David Letterman on the set of the “Late Show with David Letterman,” Tuesday April 3, 2012 in New York. (AP Photo/CBS, Jeffrey R. Staab) MANDATORY CREDIT; NO ARCHIVE; NO SALES; FOR NORTH AMERICAN USE ONLY

Current TV counter-sues Olbermann

Current TV on April 6 counter-sued former host Keith Olbermann, claiming he failed to perform his duties for the progressive television network and saying it does not owe him "a dime" of the millions Olbermann claims he is owed. The liberal firebrand sued the network on April 5 seeking as much as $70 million.