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Piers Morgan tweets "My Old Boss is my New Boss" as Jeff Zucker is unveiled as the new CEO of CNN. Morgan was a judge on "America's Got Talent", when Jeff was at NBC. 

Piers heads for his third year in the CNN Prime Time with Anderson Cooper shows either side of him often reporting higher reaches amongs 25 to 54 year old viewers. Jeff has most recently been working on Katie Couric's new daytime show for ABC - with viewers in November around 2.7m for each edition.  Most recent figures for Piers - for Wednesday 28 November - gave him a reach of 132,000 25-to-54 year-olds.