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.
After an historic Senate Finance committee vote, health care legislation takes another step forward. A panel of journalists joins Diane to discuss what’s next in the battle over health care and the other top domestic stories of the week.
- John Dickerson chief political correspondent for Slate.com and CBS political analyst and contributor. Author of "On Her Trail: My Mother, Nancy Dickerson, TV News' First Woman Star."
- David Welna congressional correspondent, NPR.
- Jackie Calmes national correspondent, The New York Times.
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