MIAMI — Gimmicks come with expiration dates, as the Miami Dolphins learned with the evolution and then devolution of their Wildcat, quarterback-free approach in 2008 and 2009. Now the question becomes whether the Heat are on a similar timetable, eight weeks into the shunning of NBA staples such as pick-and-roll sets in favor of a constant-movement wheel of offense, drive-and-kick passing, pace-on-steroids. For weeks, as the Heat’s high-octane act toured the NBA, the questions were constant of the dramatic deviation by coach Erik Spoelstra. Eventually, and somewhat sheepishly, Spoelstra asked the questioners simply go with his previous comments. The intention never was to come off as...
