Acclaimed ballerina Misty Copeland joined Diane to talk about her remarkable career and how she is challenging physical stereotypes that she says keep ballet stuck in the past.
Former national security advisor Anthony Lake predicts the greatest threats the U.S. faces in the 21st century, both from outside and from within our borders. In his new book, he describes possible scenarios involving dangers ranging from biological warfare to computer hacking, and talks about how the U.S. can best address these security problems.
- Anthony Lake former National Security Adviser and professor at Georgetown University
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