no group has claimed responsibility of the attack, but it looks like the work of boka haram, the groupehind bombings in the area, the group that believes western education is wrong. we've seen attacks but we've never seen on this scale of mass abduction. >> the war of literacy focuses on countries of how well we read and write, that includes the u.s. we go to mississippi, the state with the biggest problem. >> reporter: sometimes the best thing to do for children's literacy is a kind of first aid. before she can teach the toddlers to read, she has to take on the crippling hardships they bring with them. >> i had a father tell me, he say, i actually don't know how to be a father. he said because i don't come with a manual. so what i see is we nope help. >> reporter: a report by the n.e.e. casey ranked mississippi last in literacy along with new mexico. a few places have it worse than moorhead. across the u.s. literacy has been on the rise, but the gap between rich and poor keeps getting wider, and that hits especially wide in the mississippi delta, the poorest part of the nation's poore