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Iraqi special forces man a checkpoint leading to the heavily fortified Green Zone in Baghdad on March 23, 2012.
Iraqi special forces man a checkpoint leading to the heavily fortified Green Zone in Baghdad on March 23, 2012.

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    Baghdad tightens security for summit

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Baghdad tightens security for summit

CNN's Arwa Damon reports on security preparations ahead of this week's Arab Summit in Baghdad.

Baghdad tightens security for summit

CNN's Arwa Damon reports on security preparations ahead of this week's Arab Summit in Baghdad.