Hundreds of Americans fighting alongside ISIS06:07
Author of "The Insider Threat," Brad Taylor, talks to Krystal Ball, Touré, and Abby Huntsman about the extent of the ISIS threat on American soil.
Can Trump bring peace to Syria when Obama could not?08:07
What Americans forget about the War on ISIS05:25
Ret. Gen. on Syria: ‘We should not abandon the fight’08:54
'Cubs of the caliphate': Role of kids in ISIS06:36
A look at ISIS' scare tactics05:10
How ISIS mastered Internet recruitment06:21