The two examples I'd bring forth to suggest that nullification (I'm assuming nullification = legalization) would work are America's Prohibition (banning alcohol

The two examples I'd bring forth to suggest that nullification (I'm assuming nullification = legalization) would work are America's Prohibition (banning alcohol only worsened the problem, http://freakonomics.blogs.nytimes.com/2010/08/04/what-can-prohibition-teach-us-about-marijuana-legalization-and-other-tales-from-last-call-author-daniel-okrent/ http://freakonomics.blogs.nytimes.com/2010/08/04/what-can-pr...) and Portugal's recent legalization (a resounding success; http://www.scientificamerican.com/article.cfm?id=portugal-drug-decriminalization http://www.scientificamerican.com/article.cfm?id=portugal-dr... and http://www.time.com/time/health/article/0,8599,1893946,00.html http://www.time.com/time/health/article/0,8599,1893946,00.ht...) Or did you mean something else by nullification that I missed?