"Turning from the Iraq War, author and journalist Laufer (Mission Rejected: U.S. Soldiers Who Say No to Iraq) decided to focus on the presumably innocuous business of butterflies. Fluttering across the globe for at least 40 million years, Lepidoptera face increasing threats in modern times, largely from habitat loss and pesticides. Amateur and professional butterfly experts weigh in on everything from art to conservation, breeding and butterfly sex...