This Dec. 28, 2012 file photo shows Roy Shanks with a Smith and Wesson-made variation of the AR-15 rifle that he purchased at the RK Gun Show in the Smokies in Knoxville, Tenn. President Barack Obama's proposed ban on new assaults weapons and large-capacity magazines has struck a nerve among rural lawmen and lawmakers, with many vowing to ignore any new restrictions _ and even try to stop federal officials from enforcing gun policy in their jurisdictions. (AP Photo/Knoxville News Sentinel, Michael Patrick)
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