For some who use in vitro fertilization to have a baby, more embryos are created than used -- leading to thousands in storage. Complicated legal, moral and personal questions over what to do with unused embryos.
Former Vice President Al Gore testifies on Capital Hill today on global warming. We’ll talk about what may be ahead for climate change policy.
- David Sandalow senior fellow at the Brookings Institution; author "Freedom from Oil;" served as an assistant secretary of state and senior director on the National Security Council staff in the Clinton administration
- Andrew Revkin covers the environment for "The New York Times" and writes the paper's "Dot Earth" blog; author, "The North Pole Was Here: Puzzles and Perils at the Top of the World"
- James Connaughton Executive Vice President for Corporate Affairs of Public and Environmental Policy for Constellation Energy. He was former chair of the White House Council on Environmental Quality.
- Gregg Easterbrook author of six books, including "The Progress Paradox," contributing editor to "The Atlantic" and "The New Republic."
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