Why we care about Nigeria?

An unidentified mother cries out during a demonstration with others who have daughters among the kidnapped school girls of government secondary school Chibok, Tuesday April 29, 2014, in Abuja, Nigeria.  Two weeks after Islamic extremists stormed a remote boarding school in northeast Nigeria, more than 200 girls and young women remain missing despite a "hot pursuit" by security forces and desperate parents heading into a dangerous forest in search of their daughters. Some dozens have managed to escape their captors, jumping from the back of an open truck or escaping into the bush from a forest hideout, although the exact number of escapees is unclear. (AP Photo/ Gbemiga Olamikan)

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    Why we care about Nigeria?

CNN's Erin Burnett has traveled to Nigeria and reports on how the group behind the kidnapping has only gotten stronger.