A man set himself alight on Tuesday outside the trial of Anders Breivik.
A man set himself alight on Tuesday outside the trial of Anders Breivik.

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    Could Oslo massacre have been avoided?

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Could Oslo massacre have been avoided?

CNN's Atika Shubert reports on a report concluding that last year's Oslo mass killings could have been prevented.

Could Oslo massacre have been avoided?

CNN's Atika Shubert reports on a report concluding that last year's Oslo mass killings could have been prevented.