Photo: Sarah Stier-Getty The Western Conference Finals are heating up. After four games, the Thunder and Spurs are deadlocked at 2-2, and now the series shifts back to Oklahoma City for a Game 5 that could change everything. For OKC, home court has been a fortress all season long. The Thunder have only suffered one home loss in the playoffs so far, and interestingly enough, that loss came at the hands of these very Spurs in a double-overtime thriller. In other words, San Anto