Jeff Zucker, the powerful and ambitious TV executive who ran CNN since 2013, suddenly quit his job this week. On Wednesday, he sent a memo to staff explaining that he was stepping down due to his failure to disclose a consensual relationship with a high-level employee. “I was required to disclose it when it began but I didn’t,” he wrote. “As a result, I am resigning today.” The employee, CNN’s executive vice president and chief marketing officer Allison Gollust, would be staying at her job.
That Zucker—arguably the person most…