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A policeman stand beside children holding as members of Lagos based civil society groups hold rally calling for the release of missing Chibok school girls at the state government house, in Lagos, Nigeria, on May 5, 2014.
A policeman stand beside children holding as members of Lagos based civil society groups hold rally calling for the release of missing Chibok school girls at the state government house, in Lagos, Nigeria, on May 5, 2014.

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    Nigeria's schoolgirls missing 100 days

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Nigeria's schoolgirls missing 100 days

CNN's Isha Sesay explains why it is so difficult to find the 200 Nigerian schoolgirls kidnapped in April.

Nigeria's schoolgirls missing 100 days

CNN's Isha Sesay explains why it is so difficult to find the 200 Nigerian schoolgirls kidnapped in April.