Just over two years ago, the Denver Nuggets appeared to be riding high. Flourishing after the trade of superstar Carmelo Anthony, they had posted an NBA franchise-record 57 wins, had both the Coach of the Year and Executive of the Year and were headed into the Western Conference playoffs as the third seed with a glistening 38-3 home record. It is remarkable how quickly things change in the NBA. The Nuggets were upset in the first round by the Golden State Warriors,