I would be curious as to how he plans to 'force' gun owners to give up any weapons. After all, gun owners can shoot back...
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WASHINGTON — A Democratic congressman has proposed outlawing “military-style semiautomatic assault weapons” and forcing existing owners to sell their weapons or face prosecution, a major departure from prior gun control proposals that typically exempt existing firearms.
In a USA Today op-ed entitled “Ban assault weapons, buy them back, go after resisters,” Rep. Eric Swalwell, D-Calif., argued Thursday that prior proposals to ban assault weapons “would leave millions of assault weapons in our communities for decades to come.”
http://www.nbcnews.com/politics/congress/dem-congressman-force-gun-owners-sell-assault-weapons-n871066

What is the point of rules that are not enforced?