Like other shootings before it, the Newtown, Conn., tragedy has reawakened America to its national fixation with firearms. No country in the world has more guns per capita, with some 300 million civilian firearms now in circulation, or nearly one for every adult. Experts from the Harvard School of Public Health, using data from 26 developed countries, have shown that wherever there are more firearms, there are more homicides. In the case of the United States,... (GunPolicy.org)