The Spark

Steven Johnson helps us figure out what sparks the "flash of brilliance" that leads to groundbreaking innovation—like Charles Darwin’s theory of evolution and Google. Then, documentary filmmaker Sasha Waters Freyer, the writer Phillip Lopate, and Angus Johnston talk about the film “Chekhov for Children.” Two curators talk about women painters of the Hudson River School. Plus, Kevin Kelly, former executive editor of Wired magazine, discusses his brand-new view of technology and what it wants from us.