The authors of the Cato Institute report say that their report has more references than our report, but this is a meaningless distinction that does not reflect relative thoroughness. Our 2009 report was intentionally written to be accessible to a general audience and, consequently, cited only the most authoritative and comprehensive sources.  The Cato Institute report includes numerous citations of marginal relevance and excludes or misrepresents key publications that, in fact, contradict its interpretations.