Check out Professor Barnett’s Lecture at Duke Law School on Lochner, Natural Rights, and the Fourteenth Amendment.
[youtube=http://www.youtube.com/watch?v=vgIBqxReHz0]
H/T Paul G. on FB
Professor Barnett gave a similar talk at George Mason this past year (pictures here). I’m glad Duke was able to record it. Definitely worth a watch.