DARRA ADAM KHEL, Pakistan — Anyone made jumpy by sharp bursts of automatic rifle fire would be well advised not to come here. There is no war, but this is a one-industry town: guns. Small boys assemble cartridges; their brothers operate drill presses; their fathers file away on stocks. More than 3,000 father-and-son operations, manufacturing, trading and selling weapons from their box-like open-front shops, stand one after another along the main drag, and the... (GunPolicy.org)