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Now Playing: 07/31/13 Marketplace - A Fed chairman fight

The political battle over who will become the new chairman of the Federal Reserve has intensified. A look at the dirty tricks, whisper campaigns and crass politicking taking place.  Plus, today’s GPD report shows the economy grew faster than expected. But you should still be scared. What else is scary? Student loan debt. How much does the government really make off that debt? And a new study looks at education inequity. Also, stories on housing workers, why Oprah has a reason to smile, and the state of the cotton industry.