Well, there is a huge surplus of PhD's in every field, and there is less industry demand for certain fields (French Lit, for example). This seems like a classic

Well, there is a huge surplus of PhD's in every field, and there is less industry demand for certain fields (French Lit, for example). This seems like a classic situation where certification in a professional association should be required to teach college, so there can be better collective bargaining at a national scale.