Bats, as scary as they are to some, are one of the more useful mammals in creation. The diets of those species common in Pennsylvania consist of mosquitoes and other insect pests including the ones that damage crops. A colony of 100 brown bats can consume of a quarter-million insects in a single night. Science magazine has estimated the pest control service provided by bats can save farmers about $74 per acre. Well, the unattractive wind turbines built at the hectoring of the nature worshipers who've managed to convince most that they are the arbiters of all dogma scientific are...