Here's the basic petition:
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The plaintiffs are arguing "privileges and immunities" clause of the 14th Amendment, AND the "due process" clause. The first leads them to asking SCOTUS to overturn several seminal decisions (Slaughterhouse, Cruickshank, and Presser). In petitioner's words:
"... probably the worst holding, in its effect on human rights, ever uttered by the Supreme Court.... The decision, and its progeny, lack legitimacy. Faced with a clear conflict between precedent and the Constitution, this Court should uphold the Constitution."
THAT should get the court's attention!
The NRA's brief is here:
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And the NRA sums up by saying: If the privileges and immunities clause doesn't incorporate the 2nd Amendment, then the Court should re-visit the applicable precedents to discover just what the f*ck earlier courts were doing and take steps to correct this shit.