Writing in The Washington Post, President Michael S. Roth decries the push for students to turn away from "college as exploration" and toward "college as training." "Everywhere one looks, from government statistics on earnings after graduation to a bevy of rankings that purport to show how to monetize your choice of major, the message to students is to think of their undergraduate years as an economic investment that had better produce a substantial and quick return," he writes. This movement is understandable, given the "scourge of student indebtedness" in our country, yet parents, pundits and politicians are misguided in their insistence that students…