University of Chicago students agree on everything, says Bob Zimmerman. But they don't want to be places where people feel harassed or discriminated against. Survey shows that college professors overall are overwhelmingly liberal. 'You can't advance knowledge if you can't question things'
Enrollment is down for the first time in memory, and critics complain college is too expensive, too elitist, and too politicized. The economist Chris Paxson — who happens to be the president of Brown University — does not agree. (Part 3 of “Freakonomics Radio Goes Back to School.”)