Violência no atacado e no varejo

The country’s conservative leader pushed through immediate, sweeping changes to gun laws. Chief among them was a ban and mandatory buyback of more than 600,000 semiautomatic rifles and other long guns, which were then melted down. In all, one researcher estimates, the government ultimately destroyed about a million weapons – roughly one-third of its total gun stock.

That was in Australia, a country that has not had another large-casualty mass shooting since. Officials repeatedly ask: why can’t America do the same?