Article continues below advertisementBritish podcaster Piers Morgan called his former CNN colleague Anderson Cooper a "poisonous little backstabber" during an interview on "The Megyn Kelly Show," rekindling longstanding tension between the two journalists.Morgan made the comments while appearing on the Monday, March 23, episode of Megyn Kelly's podcast to criticize CNN and Cooper's new "podcast set" experiments, predicting they will fail due to what he perceives as a lack of audience connection.