CHICAGO — On a night Chicago’s focus was divided between the Bears and Bulls, Kevin Durant made his way to the West Side for a must-watch, early season game. It was a shame the Bears were playing a Monday night game in Pittsburgh, forcing fans to either pass on the Bulls game against the Brooklyn Nets or find two screens and try to multitask. Durant is the best player in the NBA right now, the Nets are an Eastern Conference power and the Bulls need to learn how to beat such teams to get where they want to be come April. “You just understand what you’re going up against now,” Bulls guard Zach L…