Eric Holder Declares War On Tenth Amendment?

 Via NC Renegade

UPDATE: The Kansas Secretary of State has responded to Holder with a blistering rebuke. Read it here. She reams him a new one!:)
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In a stunning and unprecedented letter to a sitting U.S. Governor, federal Attorney General appears to be in open violation to his oath to office.

I Eric Holder, do solemnly swear  that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter. So help me God

The letter comes in response to SB102, a Kansas bill that states the following.
Any act, law, treaty, order, rule or regulation of the government of the United States which violates the second amendment to the constitution of the United States is null, void and unenforceable in the state of Kansas