OAKLAND, Calif. — Across from where the Athletics play baseball sits a two-story concrete building painted bright orange and white. It is home to a cannabis dispensary called Blunts and Moore.A pair of inflatable “tube guys” flap crazily on the roof, beckoning customers with their windblown gyrations. A food truck sells tacos in the parking lot under a bright California sun.But there are signs that all is not well here. Bullet holes etched by an assault rifle dot the entrance. Three security guards, dressed in military fatigues, screen customers as they pass through a metal detector. One of the guards, a former infantryman, wears a camouflage Kevlar vest and mirrored sunglasses. A 9-millimeter pistol and 50 rounds of …
