With time, in fact, she assumed a style that had hitherto been the exclusive province of men: a charisma that comes from dispensing with the need to be liked. And in featuring her, Fox News was doing more to break female stereotypes than any of the more mainstream networks.

It’s true that Ms. Kelly developed her signature style while perfectly coifed, with obligatory blond streaks. And it’s true that she developed her brand of magnetic unlikability while outfitted in Fox’s ubiquitous jewel-toned dresses, her legs exposed beneath the obligatory glass table. But Megyn Kelly’s power came not from her beauty but from her sharp-wittedness, her familiarity with the issues, and her willingness to ask tough questions and demand answers — the same traits that were on full display in the infamous Republican debate when she took on Candidate Trump.