Pulitzer Prize-winning biographer Jon Meacham on the evolution of Abraham Lincoln's moral principles and political leadership -- and what the era of Lincoln can teach us about the state of our democracy today.
The Gulf Coast oil spill calls into question future drilling plans: What the worst U.S. environmental disaster in decades could mean for new offshore drilling projects and prospects for a climate bill..
- Neil King, Jr. National reporter, "The Wall Street Journal"
- Joseph Romm Senior fellow at the Center for American Progess; he runs the blog ClimateProgress.org and is the author of "Straight Up: America's Fiercest Climate Blogger Takes on the Status Quo Media, Politicians, and Clean Energy Solutions."
- Scott Segal Head of the Government Relations practice at Bracewell & Giuliani. He represents utilities, refiners and manufacturers.
- Mark Schleifstein Environment reporter for the Times-Picayune and co-author of "Path of Destruction: The Devastation of New Orleans and the Coming Age of Superstorms."
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