The entire world is filled with tales similar to this, freak disputes between natural biology and international trade: Bird flu outbreaks that originated from the Dickensian conditions of commercial chicken farms; Burmese pythons, brought in as exotic animals, abruptly escaping in to the Florida Everglades to disrupt the food savagely web. Every educational log article and federal government research using one of the incidents gets the possible to be recast with a sickening xenophobic subtext, a reactionary gloss that is…