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france paris cop21 climate summit bittermann pkg_00020327
france paris cop21 climate summit bittermann pkg_00020327

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    Security concerns in Paris ahead of climate summit

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Security concerns in Paris ahead of climate summit

CNN's Jim Bittermann reports on security preparations ahead of a global climate conference in Paris.

Security concerns in Paris ahead of climate summit

CNN's Jim Bittermann reports on security preparations ahead of a global climate conference in Paris.