OSLO, Norway — The United States joined 20 other countries Tuesday in calling for measures to control the illicit and legal sales of small arms and light weapons, pointing to their uncontrolled spread and excessive accumulation. The appeal was the first of its kind by governments acting in concert. And although they failed to issue a statement of "common understanding," even after it had been watered down in two days of closed meetings, the strongest advocates of... (GunPolicy.org)