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.
Diane and her guests talk about the factors contributing to this year’s active hurricane season.
- Dr. Anthony Busalacchi Director of the Earth System Science Interdisciplinary Center at the University of Maryland
- Dr. William Gray Professor of atmospheric science at Colorado State University
- Dr. Judith Curry Chair of the School of Earth and Atmospheric Sciences at Georgia Tech
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