Rio Tinto CEO Jakob Stausholm may have to change strategy as company enters new round of upheaval

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Open this photo in gallery: Rio Tino CEO Jakob Stausholm at the company's office in London, Eng., on May 29.JIM ROSS/The Globe and Mail Extrovert or introvert, buyer or builder, opportunistic or judicious. These are the existential questions that Rio Tinto RIO-N must answer for itself as the global mining industry enters a new round of upheaval, driven by the lunge for metals critical to a low-carbon future. Which way will Rio, a primarily iron ore and aluminum producer, go? No one knows, and there are enormous risks in both playing the mergers and acquisitions game and avoiding it. Rio...