“He ended his career as an aide to President Ronald Reagan’s Navy Secretary John Lehman, a member of the 9/11 Commission and adviser to John McCain’s presidential campaign.”
“Really? Did he come back to life? Or, was he just “undead”?”
You are reading it incorrectly. John Lehman was a member of the 9/11 Commission and adviser to John McCain’s presidential campaign. The author was stating who John Lehman was.
Yes. I was being sarcastic regarding the authors (so called) professional skills.