The civil war never really ended.

Redneck States Are Borrowing a Confederate Plan to Protect Their Guns

Have you heard of "gun nullification"? It's all the rage. Seriously, so hot. It's especially popular in these Southern states who've used nullification before to tell the federales to butt the hell out of their business. Back then, nullification protected slavery and Jim Crow. Now, it protects your Smith & Wesson.
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Via KMOV-TV in St. Louis:
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    Missouri senators endorsed legislation on Tuesday that seeks to nullify U.S. gun restrictions and send federal agents to jail for enforcing such laws, though the measure would likely face a court challenge if it gets approved in the state.
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    Courts have consistently ruled that states cannot nullify federal laws, but that hasn't stopped Missouri and other states from trying.
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    Sen. Brian Nieves, the Republican sponsoring the bill, said the legislation would protect law-abiding gun owners from federal encroachments and regulations. Missouri Republicans began pushing for the legislation following President Barack Obama's call last year for increased background checks and a ban on assault weapons.
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    ..."This is primarily purposed to protect liberties of Missourians," said Nieves, of Washington.