OKLAHOMA CITY — Kevin Durant was ambling toward the locker room Saturday night, his Warriors up 23 points at halftime on his former team, when a commercial appeared on the video board above. When the Air Jordan ad was released in the fall, many saw it as a veiled jab at Durant for leaving Oklahoma City for the club that had just ousted it from the playoffs. [...] in Durant's first game back at Chesapeake Energy Arena, the Thunder were making one thing abundantly clear: Despite his best efforts, the new face of Oklahoma City has yet to get the measure of redemption he seeks. "Basketball is fun in general, especially when you're playing in an environment like this," Durant said. A Sports Illustrated profile of Westbrook published in October illuminated the reason behind the picture: Thunder players had taken to calling people "cupcake" when they thought someone was being soft. In the third, with the Thunder mounting a rally, Warriors head coach Steve Kerr started switching Durant onto Westbrook. All of this came only hours after the All-Stars provided some of their most revealing sound bites yet about a relationship that spanned eight seasons. Durant, surrounded by dozens of...