In his insightful works on political economy, Professor Thomas Sowell warns of the dangers of lawmakers allowing good intentions to trump good economics when crafting public policy. It is a theme which Friedrich Hayek, Milton Friedman and others articulated before him, of course, but Sowell has more fully developed this cautionary principle in books like A Conflict of Visions and The Vision of the Anointed. Sowell teaches us that noble intentions alone do not necessarily translate into sound public policy, and cautions against the hubris that leads policymakers to believe that they can easily improve on market outcomes. Even the best-intentioned policies can spawn unintended consequences, giving rise to still more regulatory interventions as policymakers seek to rectify past mistakes....