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PHILADELPHIA – Joel Embiid passed the ball effortlessly, the navicular bone in his broken left foot hardly seeming to present a problem. His endearing smile lit up the place and thrilled the crowd, happy to see their hoops savior looking well and wondering if the civic basketball nightmare was about to finally end. Don’t worry, Sam Hinkie. Nobody’s raining on your “parade,’’ which continues to look more and more like the only celebration Philadelphia 76ers fans will ever see — if