SAN FRANCISCO — Nothing about the man in the dark suit suggested he felt uncomfortable or out of place. As a top attorney for the NBA, Dan Spillane took his seat on the dais and faced an unlikely audience — a convention of gambling industry executives. “We have a lot to learn,” he said. It was just last fall Spillane’s boss, commissioner Adam Silver, surprised the sports world by coming out in support of legalized betting on games nationwide. The NBA, NFL, NHL and Major League Baseball stand to make millions by partnering with casinos and online wagering sites.Read more on NewsOK.com