Diane Ravitch expresses more in two sentences than most people can state in two chapters.

In the October issue of Harper’s Magazine a cover story, “PBS Self-Destructs: and what it means to viewers like you” by Eugenia Williamson, describes the full history of the takeover of Public Broadcasting by the Koch Brothers, Bloomberg, the Gates Foundation and other billionaire owned and controlled corporations and their tax-free foundations.

Diane Ravitch was asked about the lack of even-handed news coverage regarding the so-called education reform movement, in particular PBS coverage of charter schools which are invested in by these same billionaires and their tax-free foundations. (Yes, these tax-free foundations all have hedge funds and investments that make enormous profits that stay within the foundations. The appointed or board elected officers and trustees are paid enormous amounts of money and other compensation.)

“‘We’ve had public schools since the 1820’s,’ Ravitch added, ‘and we’ve…