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 author of “The Hurried Child” explains why play is so important in the lives of children.
- David Elkind Professor of Child Development at Tufts University and author of a dozen books, including "The Hurried Child" and "All Grown Up and No Place to Go."
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