IÂ’ve written many times about the shortcomings of government schools at the K-12 level. We spend more on our kids than any other nation, yet our test scores are comparatively dismal. And one of my points, based on this very sobering chart from one of my Cato colleagues, is that AmericaÂ’s educational performance took a turn in the wrong direction when the federal government became more involved starting about 40-50 years ago. Well, the same unhappy story exists in the higher-education sector. Simply stated, thereÂ’s been an explosion of spending, much of it from Washington, yet the rate of return...