If the Environmental Protection Agency moves to restrict neonicotinoid pesticides, often called neonics, because of fears that they are causing bee deaths, it will happen in spite of the mounting empirical evidence rather than because of it. Last December, in response to fevered political pressure, the European Commission banned the use of neonics for two years. The moratorium, guided by the precautionary politics that now dominate science-based regulation in Europe, took effect just as a number of new studies shed increasing doubt on the belief that neonics play a key role in bee health. (snip) The “crisis” prompting this handwringing...