If you want a lengthy, detailed version of the debate, I highly recommend a 2005 exchange between economists Larry Mishel of the Economic Policy Institute* and Michael Podgursky of the University of Missouri-Columbia. Mishel argues that teachers have made less than other professionals of comparable education and experience, Podgursky argues they have made more. I think Mishel gets the best of the debate, in part because I’ve seen the EPI background material from which it’s drawn, alt...