The Denver Broncos need to figure out a different method because this has been madness. On the heels of an over-hyped Denver Broncos offseason, most observers were impressed by the high-energy, hands-on brand of coaching Nathaniel Hackett seemed to be delivering. Under the bright lights of the regular season, however, Hackett has lost much of that offseason luster. Explaining it away is only more problematic for the Broncos’ first-year head coach, especially if Hackett’s clock and game management issues continue in Week 3 against the San Francisco 49ers. Ironing out the kinks of an offense is more about perseverance than…