Campaigns tap ISIS fears by zeroing in on national security

Aired: 11/23/2015 | 0:10:24 | Clip
Many Republican candidates are pouncing on fears about the Islamic State to flex ideological and political muscle. Political director Lisa Desjardins offers a roundup of rhetoric in the debate over national security, and Tamara Keith of NPR and Amy Walter of the Cook Political Report join Gwen Ifill to take a closer look.