Well when you come up with an effective way to regulate the criminal gun market, I'll be happy to discuss how the law abiding should be regulated. You might want to take a refresher course on the 14th amendment and the equal protection clause.
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The far left does not care about the Constitution.
It is all about the narratives they can run, nothing else.
So far none on the far left has been able to provide any evidence to any existing laws that would have stopped many of these mass shooting!
And as you have already stated (and I will paraphrase): Gun laws only affect law abiding citizens!