'22 July' captures horror of extremism, and hope in its aftermath

'22 July'

(CNN)Paul Greengrass' gritty, live-wire directing style is something of a trademark, and it's put to efficient use in "22 July," a layered, dense look at the savage terrorist attack that rocked Norway on that date in 2011. Telling the story from multiple angles, Greengrass' spare, sobering film -- premiering simultaneously in select theaters and on Netflix -- seeks and mostly succeeds in highlighting extremism while finding humanity and resolve withi