Are you a corporate shill if you point out that environmental activists have a financial incentive to present only one side of a story? According to one scientist at the Center for Biological Diversity -- which has about 50 lawyers on its staff -- the answer is yes. Our irony-meters exploded.
There are at least 24 different concepts of what constitutes a species. Unfortunately, politics plays a substantial role in the process.
Classifying species is a notoriously sticky problem in biology. As a very broad rule, organisms can be classified as belonging to a distinct species if they can successfully mate with each other to produce offspring that can also successfully mate. But this rule completely falls apart for microbes.