Americans have tons of guns, the U.S. has high rates of gun crimes and non gun crimes. If more guns means less crime thats great, it still doesen't explain the fact that the U.S. has tons of crime despite having lots of guns.

Perhaps I will read that book, after I read dozens of books that are more important.

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"The person who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men than himself. " — John Stuart Mill