Extremism

The attacks occurred hours after militants killed two people in a Christian neighborhood in the same region.
A University of Chicago researcher says "Hollywood blockbuster narratives" help explain the pull of Islamic State recruitment videos.
The organizing body, Nahdlatul Ulama, is the largest Islamic organization in the world.
The number has declined to about 200 a month in the past year.
A radicalization expert explains what countries can do to stem the violence.
The terrorists' efforts to go viral are stymied, a new study finds.
The Southern Poverty Law Center says Donald Trump "electrified the radical right."
Critics say Cameron's decision to single out Muslim women in his op-ed and to cite extremism as justification for English classes could further ostracize Muslims in the U.K.