CNN's Erin Burnett has traveled to Nigeria to cover both its positive stories – it has one of the fastest growing economies on earth- and its negative ones.
One of the stories Burnett covered was that of Abdul Farouk Mutallab, the underwear bomber. He was from the Muslim-dominated northern part of Nigeria where Boko Haram operates.
Since then, Boko Haram has only gotten stronger, more ambitious. Burnett explains why we should care.