Federal Reserve Chairman Ben Bernanke headed back to the classroom Tuesday, and defended the Fed against its most outspoken critic, Ron Paul.

In a lecture otherwise about Fed history and the Great Depression, Bernanke devoted four slides to discussing "problems of the gold standard."

For years, Congressman (and now presidential candidate) Ron Paul has argued to abolish the Fed and revert back to a system where U.S. dollars can be redeemed for gold.
Read more: http://economy.money.cnn.com/2012/03...d-6/?iid=HP_LN