Ira Winderman: Amid Norman Powell’s All-Star breakthrough, are Heat playing for keeps?

Sunday, the NBA’s ultimate midseason stage will be the stage of Norman Powell. It has been an 11-year climb to this moment, this first NBA All-Star berth, and, yet, the timing arguably couldn’t be more fitting. The venue: The Intuit Dome, as in the home of the Los Angeles Clippers. The host team: Those Los Angeles Clippers, as in the team that discarded Powell in July in search of something better. And that, as much as anything, is what so resonates about this opportunity for the 32-year-old Miami Heat shooting guard, that something better was there the entire time. For the Clippers, the decision to move off of Powell was for the apparent upgrade of Bradley Beal and John Collins,...