Who is being arrested in Western Europe for having marijuana? No one. Maybe a few distributors who are selling harder drugs.
Germany for example http://www.420magazine.com/forums/germany/87439-germany-cannabis-law.html
Holland http://en.wikipedia.org/wiki/Drug_policy_of_the_Netherlands#Non-enforcement
Who is being arrested in Western Europe for having marijuana? No one. Maybe a few distributors who are selling harder drugs.
Germany for example http://www.420magazine.com/forums/germany/87439-germany-cannabis-law.html
Holland http://en.wikipedia.org/wiki/Drug_policy_of_the_Netherlands#Non-enforcement
Non-enforcement against persona-use amounts is not legalization.