Ai Weiwei: 'Life is never guaranteed to be safe'
Ai Weiwei, the Chinese artist who will soon take over Tate Modern's Turbine Hall, on why he wants to tell people that it's OK to speak out.
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Ramona Pierson: An Unexpected Place of Healing
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The Power of Affirmation (The EPOD Theory)
A live, high-energy presentation performed by Dave Yoho debunks the myth that good talkers make great salespeople. It shows how managers get salespeople to talk less, listen more, understand customers better, and - sell more.