The latest research into the link between germs and mental illness -- and what we all need to know.
A spreading oil spill in the Gulf of Mexico threatens shipping, wildlife, fisheries and tourism along the coast. Diane and her guests discuss how the government and the oil industry are responding.
- Jackie Savitz Pollution Campaign Director, Senior Scientist, Oceana
- Rayola Dougher senior economic adviser, American Petroleum Institute
- Michael Tidwell author of "Bayou Farewell" and director of the Chesapeake Climate Action Network.
- Stephen Power reporter, Wall Street Journal
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