Efforts to control the $70 billion a year global market in conventional weapons got a big boost when the United States signed the United Nations arms trade treaty, joining more than 100 other countries in affirming the need to keep these weapons out of the hands of unscrupulous regimes, militants and criminals. But the work is far from done. At least 50 member countries, including the United States, must still carry out the next step and ratify the treaty for it to... (GunPolicy.org)