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.
Every year one and a half million Americans sustain a traumatic brain injury and at least 80,000 suffer from a long term disability as a result. Two experts describe the challenges of diagnosing and treating traumatic brain injuries.
- Michael Paul Mason A brain injury case manager and writer for "Discover" magazine.
- Susan Connors President/CEO,Brain Injury Association of America
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