photo-e1404140861610-410x547A couple of days ago I took a walk down a narrow, somewhat perilous mountain trail with Scott Barry Kaufman, scientific director of the Imagination Institute. The trail began near the Aspen Institute’s campus here in this immensely beautiful, immensely wealthy town, where the institute holds its annual ideas festival, a gathering of scientists, artists, corporate executives, and miscellaneous thinkers who mull such topics as the future of smart cities. At the Chronicle of Higher Education