![WAMU-FM: WAMU: The Diane Rehm Show Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/868/small/wamu-fm-wamu-the-diane-rehm-show-podcast.jpg)
Summary: <p>Federal Reserve Chairman Ben Bernanke testifies in front of Congress on the U.S. economy and the Libor rigging scandal. A new poll shows high voter discontent over President Barack Obama's handling of the U.S. economy. And GOP front-runner Mitt Romney remains under pressure to release his tax returns. Diane and her guests talk about this week's top domestic stories.</p>