As students move onto college campuses around the state this week, many are on the verge of declaring majors, perhaps in engineering, business, or physics. But what are they truly learning? Joy Cardin's guest this hour says too many colleges now focus on the commercial aspects of education and whether students will get jobs when they graduate-while professors must struggle to be "likeable" if they want to get good evaluations. Instead, he says, colleges should support professors who challenge their students, and reinvest in the liberal arts.