The phrase "pre-existing right" leads me to wonder what pre dated the second amendment of the constitution? Please provide some reference or identify a common law that pre dates the second amendment which guarantees "the right to bear arms". If you are unable to provide that then we must agree the phrase "pre-existing right" is incorrect .   
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- This article in order to remain un-biased should only state the facts about the second amendment. Instead it opens with quotes by one supreme court justice in a very recent ruling, Ignoring the fact that the supreme court split on the decision by a very narrow margin of 5-4. And even in that decision it was stated that the "right" to own guns can be limited. i.e. "restrictions on Military style assault rifles, Certain types of ammunition, etc.   
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- Keep the pro/con arguments in an appropriately titled section and refrain from any misleading opening statements. 69.227.153.239     
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- The article if allowed to begin with "protects the INDIVIDUAL right" does not appear neutral. This article should begin with the actual text of the second amendment and the disputes as to how to interpret the amendment should follow. You are doing Wikipedia an injustice by hi-jacking this page for your own agenda75.54.116.122