Five South Dakota lawmakers have introduced legislation that would  require any adult 21 or older to buy a firearm “sufficient to provide  for their ordinary self-defense.”
The bill, which would take  effect Jan. 1, 2012, would give people six months to acquire a firearm  after turning 21. The provision does not apply to people who are barred  from owning a firearm.
Rep.  Hal Wick, R-Sioux Falls, is sponsoring the bill and knows it will be  killed. But he said he is introducing it to prove a point that the  federal health care reform mandate passed last year is unconstitutional...