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.
Diane and her guests reflect on President Obama’s first one hundred days in office, including what’s changed in Washington and what hasn’t and some of the biggest challenges ahead for his administration
- Ramesh Ponnuru senior editor for the "National Review"
- Gregory Carr assistant professor, Howard University Department of Afro-American Studies.
- Andrew Kohut director of the Pew Research Center for the People and the Press
- E.J. Dionne Jr. senior fellow at The Brookings Institution, Washington Post columnist, and author of "Souled Out: Reclaiming Faith and Politics After the Religious Right" and of "Stand Up Fight Back."
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