How did Megyn Kelly get so big so fast?
That's the question I've been asking since news broke Tuesday of the 46-year-old anchorwoman walking away from Fox News and a reported four-year $100 million contract to join NBC.
On the eve of the launch of "The Kelly File" in October 2013, I predicted success for her new show — then wondered if I had sounded too effusive. She was the new kid on the prime-time cable TV block, and some analysts were wondering whether she could hold the lead-in audience Bill O'Reilly delivered in the 8 o'clock hour on Fox. Not me.
But just a little over three years later, here she is in a league by herself as a TV news personality. There...