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Inside the Lakers’ practice facility in El Segundo, Calif., the approach to the season is splashed on a gold screen against a wall. Championship Habits reads the top line. Championship Communication, right below it. On the third line: Championship Shape. And in case the Lakers’ title-driven mindset wasn’t clear, players shot around in T-shirts with OBSESSION emblazoned across the chest—with the ‘IO’ replaced by ’18,’ the number of what would be the team’s next championship.