There's one big problem with small arms: They don't come with an expiration date. These reliable killing machines pass from dead soldiers to living insurgents, and from a country's armory to a militia's safe house thousands of miles away. As soon as weapons crates cross international borders, arms-producing countries lose control over where they head next - a fact on full display during recent conflicts across the Middle East, and now in the Gaza Strip. On Nov. 17,... (GunPolicy.org)