  :That second source is ancient history at this point, thought it played an important role in the history of legislation. Regarding the ongoing debates above, there is rarely research that avoids completely criticism, especially when it involves so many interested parties. If we are to be even-handed, we should probably present the results of the available current RS (peer reviewed and/or official government reports, etc.) along with the criticisms that have been noted for each in succint, summarized form.   