Professor Mark Harmon writes here about the showing of “Backpack Full of Cash” in Knoxville, where the audience learned about the devastating impact of charters draining resources from public schools, as well as charter school scandals.

Someday, when people look back on this era of malignant privatization, “Backpack Full of Cash” will be recognized for its role in informing the public about the assault by rightwingers on public education.

Go to the film’s website and learn how you can arrange a showing in your community.

It is a shame that PBS refuses to show this excellent documentary. If only a few billionaires stepped up and offered to buy time for it. Or even one billionaire.