Social Issues

How segregation shapes fatal police violence
Unarmed black people are much more likely than unarmed whites to be fatally shot by the police. A new study finds that that disparity gets wider in states with more racial segregation.
A brief history of the AR-15
The semi-automatic rifle has been in wide circulation for more than a half-century. In recent years, gunmen have used AR-15-style weapons to carry out many of the country's worst mass shootings.