How tough is it to choose a school, a career or a health plan? What if there was a better “choice environment?” We’ll talk this hour with noted jurist and Karl N. Llewellyn Distinguished Service Professor of Jurisprudence at the University of Chicago Law School and Department of Political Science, Cass R. Sunstein. He is the co-author of the new book “Nudge: Improving Decisions About Health, Wealth, and Happiness” (Yale, 2008).