Teach For America places thousands of energetic and committed college graduates as teachers in under-resourced schools for their first jobs. Founder Wendy Kopp shares why and how she started the organization in 1980, and the progress Teach for America has been making ever since in raising the bar for under-achieving children. She also discusses how the organization rode out its "dark years," when enthusiasm and corporate support for the effort began to wan. Recorded: April 1, 2008