Well the ATF told Tennessee that they didn't care. I don't see how this will change their view on it. No one in Tennessee is challenging it either.
Following Alaska and New Hampshire, Wyoming has added teeth to their act. via Cheyenne Gun Rights Examiner
More at the source, (including a link to the .pdf of the bill)
Looks like their cops will finally have to choose who they're beholden to. About time.
Ha! Ever hear of Wickard v. Filburn, 317 U.S. 111 (1942)? You could argue that United States v. Lopez, 514 U.S. 549 (1995) overrules Wickard, but it hasn't gotten that far.