cio - c ult ural ▁orig ins ▁of ▁fasc ism ▁in ▁modern ▁Europe ▁as ▁well ▁as ▁the ▁cul min ation ▁of ▁its ▁ide als ▁in ▁the ▁Hol oca ust ▁and ▁the ▁Second ▁World ▁War . ▁He ▁also ▁details ▁the ▁growth ▁of ▁Islam ic ▁extrem ist ▁thinking , ▁comparing ▁and ▁contrast ing ▁it ▁with ▁early ▁ 2 0 th ▁century ▁revolution ary ▁movements , ▁and ▁he ▁states ▁that ▁the ▁Islam ic ▁extrem ist ▁struggle ▁with ▁liberal , ▁pl ural istic ▁dem oc ra cies ▁is ▁an ▁out g row th ▁of ▁that ▁past ▁tr end . ▁He ▁uses ▁the ▁term ▁" Mus lim ▁total itar ian ism " ▁as ▁a ▁sh orth and ▁summary ▁of ▁his ▁thinking . ▁ ▁In ▁terms ▁of ▁individual ▁Islam ic ▁terror ists ▁and ▁their ▁cells , ▁B erman ▁draw s ▁upon ▁the ▁writ ings ▁of ▁Albert ▁Cam us ▁and ▁conc urs ▁with ▁Cam us ' ▁mus ing ▁that ▁" the ▁sin ister ▁exc ites " ▁and ▁the ▁" trans gress ions ▁of ▁suic ide ▁or ▁murder ▁ar ouse ▁a ▁thr ill ▁that ▁sometimes ▁takes ▁an ▁over t ly ▁sexual ▁form ." ▁He ▁discuss es ▁milit ant ▁attacks ▁as ▁a ▁kind ▁of ▁emot ional ▁anti - r ational ism ▁that ▁is ▁both ▁prim al ▁and ▁very ▁difficult ▁for ▁normal , ▁modern ▁people ▁to ▁compreh end . ▁He ▁addition ally ▁str esses ▁the ▁importance ▁of ▁stay ing ▁strong ▁against ▁author itar ian ▁extrem ists , ▁arg uing ▁in ▁support ▁of ▁assert ive , ▁pre empt ive ▁war ▁as ▁well ▁as ▁active