Broadcaster Keith Olbermann has become ever more embittered and isolated as his work and influence have dried up, with former colleagues worried he needs “serious help,” The Post has learned.

Olbermann, 66, railed against members of the Trump administration on social media this week as well as threatening conservative CNN commentator Scott Jennings with “you’re next motherf—er,” in the wake of Charlie Kirk’s assassination.

Former MSNBC and ESPN personality Olbermann, who now hosts an independent podcast, apologized to Jennings after he reposted his tweet and tagged the FBI Monday. 7

“We thought for many years that he was losing it, and I say this honestly and out of concern for another human being,” said Sage Steele, a former ESPN anchor who previously worked with Olbermann at th

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