Intelligence report: 4 not-so-rosy scenarios for the world

As a part of its new report on global trends, the National Intelligence Council developed four not-so-rosy scenarios that could become reality given major stresses the world faces during the next 20 years.
—Competition among major international powers sharpens as skittish governments, seeking to maintain relevance at home and protect interests abroad, push to widen their spheres of influence. This increases the chance of conflict, yet might coax major powers to employ confidence-building m