US President Barack Obama continued to offer Iran ``serious, meaningful dialogue,'' despite revelations it was building a second secret nuclear facility, but warned Saturday that Teheran ``must pursue a new course or face consequences.''
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Obama offers Iran 'serious dialogue'
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Ahmadinejad says ready for debate with US presidential candidates
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Obama vows 'consistent and steady' pressure on Iran
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President Obama on addressing the nuclear threat
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Iran issues counter-proposal
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Iran ``not close'' to nuclear weapon:
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Obama calls for 'fresh start' in message to Russia
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Hillary asks Iran to make 'concrete commitments'
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Obama urges 'global response'
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Iran nuclear talks go down to the wire
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US looking into range of possibilities against Iran
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Iran building second uranium enrichment plant:
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Barack Obama 'could order another operation in Pakistan'
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Obama offers Iran a 'new beginning'
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Iranian president Ahmadinejad congratulates Obama
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US president Barack Obama defends nuclear power
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Obama warns there is no ``shortcut'' to peace