New President says he does n't know if 200 missing girls can be rescued . March through Nigerian capital marks one year since the kidnapping . Comment: Crisis sparked worldwide criticism and # bringbackourgirls campaign .
New President says he does n't know if 200 missing girls can be rescued . March through Nigerian capital marks one year since the kidnapping . More than 200 schoolgirls kidnapped last April by Islamic extremists . Crisis sparked worldwide criticism and # bringbackourgirls campaign .