Inside Story - How should Nigeria tackle Boko Haram?

Nigerian President Goodluck Jonathan has fired his defence minister and national security advisor, saying the government needed new tactics to fight the armed group, Boko Haram. The group has intensified its attacks recently. What kind of new tactics will end the violence and is dialogue still an option? Guests: Chinedu Nwagu, Darren Kew, Musa Aliyu.