The Second Amendment guarantees a constitutional right to "keep and bear arms." What that means exactly has been a source of intense debate that stretches back to America's founding.
Some legal scholars believe the amendment protects a right to keep and bear only those firearms that are necessary for ongoing service in a state militia. Other equally distinguished scholars hold the view that the amendment guarantees individual Americans the right to possess and use firearms, even when the guns are not related to service in a militia.
The US Supreme Court is set to hear oral arguments Tuesday in a potential landmark case that could settle the question once and for all.
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