David Kirp, author and Professor of Public Policy at the University of California at Berkeley, visits Google's Mountain View, CA headquarters to discuss his book "The Sandbox Investment: The Preschool Movement and Kids-First Politicst." As the author of fourteen books, David L. Kirp makes the ideal guide to this quiet movement. He crouches in classrooms where committed teachers engage lively four-year-olds, and reveals the findings of an extraordinary longitudinal study that shows the life-changing impact of preschool. He talks with cutting-edge researchers from neuroscience and genetics to economics, whose findings increasingly show how powerfully early childhood shapes the arc of children's lives. This event took place on February 12, 2008, as a part of the [email protected] series.