Yo-Yo Ma, Washington Arts Advocate
The star cellist and musical entrepreneur, describing himself as a "venture culturalist", gave a Kennedy Center lecture this week on the arts and public policy. "And, though he titled his speech 'Art for Life's Sake,' it was, in fact, a point he made early on about diversity that seemed most potent. He called it 'the edge effect' and introduced it with a biology metaphor."
NPR 04/09/13 (includes video)