Ben Wildavsky has a message for Australian universities.  He’s the author of The Great Brain Race: How Global Universities are Reshaping the World, just out from Princeton U. Press. He’s keen to promote the benefits of free trade in higher education, not least of which is that “knowledge is not a zero sum game”, and that if we create more of it in one country, we don’t lose it in another. Somehow this is calling to mind the joke about…