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.
Tom Ridge, the country’s first Homeland Security Secretary announced his resignation this week. We’ll talk about what’s been accomplished in the effort to prevent terror attacks on U.S. soil and what’s ahead for the Homeland Security Department
- Frank Cilluffo associate vice president, Homeland Security Policy Institute at George Washington University
- Matthew Brzezinski journalist and author of "Fortress America: On the Front Lines of Homeland Security- An Inside Look at the Coming Surveillance State"
- Paul Light is a professor with New York University's Wagner School of Public Service.
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