The U.S. Fish and Wildlife Service on Tuesday said it will ban, effective in late March, the import and interstate transport of four non-native python snakes because of the threat they pose to wildlife in the Florida Everglades and other sensitive ecosystems. The final rule, to be published in the Federal Register in the next few days, lists four constrictor snakes that will be prohibited in the United States to restrict their spread in the wild. They are the Burm...