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.
At 37 years of age, Dr. Lucy Spelman is the youngest person as well as the first woman to be named director of the Smithsonian Institution’s National Zoological Park. For July’s On the Job segment, Dr. Spelman joins Diane to talk about her work as a zoo veterinarian and her vision for the zoo’s future.
- Dr. Lucy Spelman Director of the National Zoo
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