By PATRICIA COHEN Published: February 24, 2009 One idea that elite universities like Yale , sprawling public systems like Wisconsin and smaller private colleges like Lewis and Clark have shared for generations is that a traditional liberal arts education is, by definition, not intended to prepare students for a specific vocation. Rather, the critical thinking, civic and historical knowledge and ethical reasoning that the humanities develop have a different purpose: They are prerequisites for personal growth and participation in a free democracy, regardless of career choice. http://www.nytimes.com/2009/02/25/books/25human.html?em