How do we reconcile today’s divergent voices of Islam?

Aired: 12/23/2015 | 0:08:58 | Clip
With the rise of the Islamic State group, there have been questions about just who speaks for Islam and what the message should be. Chief foreign affairs correspondent Margaret Warner talks with Manal Omar of the United States Institute of Peace and Asra Nomani, co-founder of the Muslim Reform Movement, about standing up to violent religious extremism.