COLTON - It was the swat heard 'round the world. An angry mayor mashed a giant fly swatter against a podium at a news conference in September. The mayor, Deirdre Bennett of Colton, declared war on a federally protected fly that many say is exterminating the city's economy by halting development projects. The story had wings. National media seized on the news of a mayor challenging the U.S. Fish and Wildlife Service, saying her city would no longer try to provide the healthy habitat for the only fly on the endangered-species list. Colton's battle with the protectors of the Delhi...