This guy mentions it (brilliantly), as does this guy. This woman has been heard to intimate it in her classes. And so has this profe. And this prof, too. This woman's entire syllabus is predicated on it. It may simply be part of the Harvard undergrad philosophy but it's available to anyone, anywhere who wants to do the reading and thinking and writing and discussing and self-critical evaluation necessary to acquire it. One of the most significant things being taught at Harvard that you can learn for absolutely free is the importance of informed, thoughtful, engaged, civic participation.
And now they've made some library data available to the masses, the task, though not less onerous for your average Iseut, may be better supplied.