For years, Diane Ravitch was a fierce supporter of school choice and accountability in education. Then, suddenly, she decided it was all a pack of lies. What happened?

Ravitch says she finally took a good look at the facts. But Joel Klein, Mayor Michael Bloomberg’s schools chancellor from 2002 through 2010, says Ravitch flipped (in more than one sense) after Klein turned down Mary Butz, Ravitch’s romantic partner, for a top job in his department. Ravitch denies the charges. You can read all about it here.