rules in the world. but still in the last decade, ali, they have had two scenes of mass murder. it makes you think, what is the relationship between laws and the events? >> in fact, richard, the rest of the world may be correct in thinking that the u.s. doesn't have those sort of reactions to gun freedom. gun freedom defenders in the united states go to great lengths in the aftermath of these events like in tucson to point out that these are the acts of the mentally deficient or of loners or of those with a grudge. richard, in fairness to the united states, there have been instances in which tragedy gave a boost to more restrictive laws in this country. the assault weapons ban of 1994 banned the manufacture and sale of certain semiautomatic weapons and high-capacity magazines including the 33-bullet magazine used by the alleged arizona