Why the Penny Shrank and Composition Changed

People who are in default on their federal student loans could start seeing their wages garnished in the new year. Next week, the Department of Education plans to start sending out letters to borrowers who have missed at least nine months of payments, letting them know the government will begin taking 15% from their paychecks. Also, the U.S. Mint pressed the final batch of pennies last month. We examine the penny's 232-year run.