Long before their disagreement over Iraq, he and Rumsfeld had clashed over Rumsfeld's belief that high-tech warfare gave the Pentagon leeway to reduce overall American troop strength.

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He notes the irony of using technology, from GPS location data to mobile social-sharing, to report on a uniquely high-tech form of warfare.

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It is an ironic twist for a country with a reputation as a high-tech and cyber-warfare powerhouse.

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