"Even if an alcoholic is powerless over alcohol once it enters his body, he still makes a choice to drink. And, even if someone is attracted to a person of the same sex, he or she still makes a choice to engage in sexual activity with someone of the same gender."

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There are no violent gangs fighting over aspirin territories. There are no violent gangs fighting over whisky territories or computer territories or anything else that's legal. There are only criminal gangs fighting over territories covering drugs, gambling, prostitution, and other victimless crimes. Making a non-violent activity a crime creates a black market, which attracts criminals and gangs, which turns what was once a relatively harmless activity affecting a small group of people into a widespread epidemic of drug use and gang warfare.

— Harry Browne