CHICAGO — When it’s empty and dark, the United Center has this really cool vibe inside. It feels like if you listen hard enough, you can hear those 1990s stories. I was standing at the center-court logo — one of the most iconic in sports — looking up, a perspective I don’t think I’d ever had. The banners hung high above, markers of a different time, a dominant time for the Chicago Bulls. Those teams are long gone now, those fans are older, grayer, slower. As the present-day team struggles to find its identity, the arena is a reminder of days long past. “This place is special,” former Bulls cen…
