I've learned about a lot more than physics from Feynman. I also see little evidence that classes are taught by experts in their subject matter except at the uni

I've learned about a lot more than physics from Feynman. I also see little evidence that classes are taught by experts in their subject matter except at the university level, and even then only rarely. But let's post a link to Khan's comments/rebuttals to the claims of the NAS article you cited. http://news.ycombinator.com/item?id=2633796 http://news.ycombinator.com/item?id=2633796 http://news.ycombinator.com/item?id=2634324 http://news.ycombinator.com/item?id=2634324