KANSAS CITY, Mo. (AP) — Adam Martin remembers taking boxes of Panini stickers and their accompanying World Cup albums to a Formula 1 race in May, shortly after his collectibles shop had received a shipment and long before the tournament was to begin. The idea was to give them to friends with kids. But what happened next surprised him. “When I walked in with this box of cards,” Martin recalled, “hundreds of people of all creeds and cultures said something: ‘Where did you get those? How can I get