On Monday, July 6, 2009, a video poker was the center of attention. Two engineers from Nevada’s Gaming Control Board showed up at the Silverton Casino Lodge. The off-the-strip South Las Vegas casino is best known for its mermaid aquarium, but the GCB geek squad wasn’t there to see swimmers in bikini tops and zip-on fish tails. They’d come to examine machine 50102, a Game King video poker unit on the casino floor that had been waiting for them, taped off like a crime scene, all weekend. Manufactured by International Game Technology – a gambling leviathan that boasts $2 billion…