Coral reefs are crucial to the ocean's ecosystem, providing sustenance to a quarter of marine life. Today, more than one third of the world's reefs are deteriorating. What's causing coral reef destruction and possible new remedies to address it.
Secretary of Homeland Security Janet Napolitano on the administration’s plan to fight violent Mexican drug cartels … and Senator Jim Webb discusses U.S. drug policies and proposed changes to the criminal justice system.
- Jim Webb is a Democratic Senator from Virginia. He is former Assistant Secretary of Defense for Reserve Affairs and Navy Secretary in the Reagan administration and author of nine books, including, "A Time to Fight."
- Janet Napolitano Secretary of the Department of Homeland Security,former governor of Arizona.
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