KABUL, Afghanistan — An Afghan soldier opened fire inside a U.S. military base Thursday, killing five of his Afghan comrades before another soldier gunned him down to end a shooting that a commander attributed to mental problems. Elsewhere, Afghan police killed a suspected Taliban commander and captured his deputy in a shootout. The U.S. military said the soldier attacked fellow Afghan National Army troops early Thursday morning in Helmand province. Another six... (GunPolicy.org)