Who's Responsible for Rising Textbook Prices?

By Stephen Downes - Stephen's Web. Who's Responsible for Rising Textbook Prices?
I didn't listen to the podcast (I may get to it tomorrow, but it's 5:37 and I have a newsletter to finish). Still, the description is intriguing enough. Here's the point of departure: "The Internet has certainly been abuzz since the GAO published its report on textbook prices last week. This report showed that college textbook prices have increased at twice the rate of inflation and have followed close behind tuition increases". More...