Cracks are forming at the highest levels of the Nigeria-based extremist group. The Islamic State has named a new leader and a new strategy for the group, but the old leader says he's still in charge.
The freed "Chibok Girl" met with Nigeria's president two days after being "rescued" from Boko Haram. She's one of more than 200 schoolgirls kidnapped in 2014 by extremists who have ravaged the region.