Barry Diller is still pissed at Greg Maffei, the Liberty Media executive who broke up his close relationship with Liberty Chairman John Malone. Here is how Diller began testimony in his court battle to retain control of IAC: "Mr. Maffei, 47 years old, was an 'irresponsible executive,' Mr. Diller testified in Delaware Chancery Court. 'For over a year and a half, he has spoken badly about our businesses and our managers,' said Mr. Diller, who is scheduled to continue his testimony today." [WSJ]

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