US fires missiles into northwestern Nigeria

The US fired Tomahawk missiles into Nigeria's Sokoto State late last week, claiming to target members of ISIS who have been going after Christians in the country. But the region hit by the strikes - and facing the brunt of ISIS attacks - is majority Muslim, underscoring the more complex realities on the ground. The World's Host Marco Werman speaks with University of Aberdeen analyst Onyedikachi Madueke about what's happening.