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The Boston Globe

World

Iran weighs tougher line in stalled nuclear talks

TEHRAN — Iran is weighing a more confrontational strategy at possible renewed nuclear talks with world powers, threatening to boost levels of uranium enrichment unless the West makes clear concessions to ease sanctions.

Such a gambit — outlined by senior Iranian officials in interviews this week — could push Iran’s nuclear program far closer to the ‘‘red line’’ set by Israeli Prime Minister Benjamin Netanyahu for possible military options.

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