Olbermann first took his latest shot at CNN CEO Chris Licht, reiterating his claim that when the pair worked together at MSNBC he thought Licht "ate paste", before turning his attention to Tapper.
"You'll get plenty of more opening days. Let Howie and Keith Raad finish it the right way with 40,000 people, with optimism, hope, and then Howie can drop the mic and say I'm out."