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.
He opposed the war in Iraq and now he wants to expand health care, return to balanced budgets, and let Americans take control of the country’s destiny. Physician and former governor of Vermont Howard Dean joins Diane to talk about his presidential campaign.
- Howard Dean physician, former governor of Vermont, Democratic presidential candidate, and author of "Winning Back America" (Simon & Schuster)
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