So I’m listening to Marketplace Money (Sept. 8), and hear host Bob Moon lament that “the lousy economy is causing colleges to keep raising their prices or lowering their quality,” or both. A “vicious, unsustainable cycle–until now.” But here’s commentator Kim Clark with an “example of something done right.” The something right is Clarkson University’s adaptation of Milton Friedman’s old idea to let some poor students in without tuition, and collect a surcharge on their later earnings instead. Clarkson is admitting a few go-getters, free, “in return for a 10-percent share of their start-ups.” It’s investing in two, this year; Read More …