i.s.i.l. franchise announced itself last year when it murder twuf 21 egyptian christians in front of cameras. but as i.s.i.l.' i.s.i.l.'s fore started to turn, regrouping, in february, i.s.i.l. launched strikes against a border in tunisia, the base was hit, 49 people died in the raid and six were wounded. the defense secretary, u.s. secretary ashton carter says u.s. needs to confront i.s.i.l. everywhere. he said "we are going to protect ourselves in libya as in anywhere else." i'm joined by douglas olivant, a senior fellow at new america, a nonpartisan public policy think tank, a retired army officer who served as iraq director at the u.n. city council during the bush and obama administration. us. >> thank you. >> take what i just said and tell me how you square this. is i.s.i.l. weaker stronger or roughly the same strength it once was when you take into account the fact they are growing in other places? >> they certainly are growing in other places and that's something we need to take account of. on the other hand, the growth in these places draws strength from the center. and i think as we see their caliphate in iraq and s