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.
Richard Fortey is a senior paleontologist at London’s Natural History Museum. His book “Life” (Knopf) takes on the ambitious task of describing the first four billion years of life on our planet.
- Richard Fortey Author
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