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ATLANTA — Henrik Stenson changed his attitude and chose a different target at the Tour Championship.
Instead of smashing a driver and a locker, he demolished the front nine at East Lake on Thursday with a five birdies over a six-hole stretch that carried him to a 6-under 64 and a one-shot lead over Masters champion Adam Scott.
It was a big turnaround from Monday at Conway Farms, not only on his scorecard but between the ears.
‘‘I just needed to realize the world is a good place again,’’ Stenson said.