by Kriston Jae Bethel Agence France Presse PHILADELPHIA, United States (AFP) — At least 10 people were killed and more than two dozen wounded in four shootings across the United States this weekend, as lawmakers struggle to respond to the country’s long-running epidemic of gun violence. The shootings came after a spate of mass killings that have sparked renewed calls for reform of the nation’s gun laws. An eruption of violence in Chattanooga, Tennessee […]