P.W. Singer and Emerson Brooking say social media has been manipulated to fuel popular uprisings and affect the course of military and political campaigns. Their new book is 'LikeWar.'
The story of the 2011 terror attack on a Norwegian summer camp is the subject of a new movie by Paul Greengrass, the British filmmaker best known for such acclaimed docudramas as 'United 93,' and 'Captain Phillips.' John Powers reviews '22 July,' streaming on Netflix.
