PHILADELPHIA — The narrative is out there. James Harden is a dominant force in the regular season. Yet, he struggles in clutch moments in the postseason. The 76ers hope this postseason is different. That’s why they acquired him in a trade from the Brooklyn Nets on Feb. 10. In their eyes, Harden was the best option to serve as the secondary scorer to Joel Embiid and close out games. Yet, they know the narrative exists. So does Harden. The guard will get an opportunity to begin chipping away at it against the Toronto Raptors in the first round of the Eastern Conference playoffs. Game 1 of the be…
