Staying in Lanes Under ideal governance, elected legislatures create the principles of public policy. For example, pesticides should be used when proven scientifically safe and banned when proven harmful. Regulators then implement those principles using expertise uniquely held by impartial experts. Politicians come under career ending pressure from activists and voters in a manner not experienced by career scientists. Politics led to a ban on the sweeteners cyclamate and saccharin many decades ago based on junk science and politics, and were subsequently shown to not cause cancer. Now Congressman Bennie Thompson (R-Mississippi) says Republicans will work to allow pesticides banned by the U.S. Environmental protection Agency. Not because Co...