Thousands of foreign fighters have returned to their home countries after fighting with terror groups. But those who stay behind and move on to other conflicts pose an ever-growing risk to the region and their homeland.

The Libyan conflict, now entering its ninth year, could well be a testing ground for how wars will be fought in the future. The conflict itself looks much different today than it did in 2011, when a coalition of NATO countries deposed longtime Libyan dictator Muammar Qaddafi and the country …

Attorney General Bill Barr told state governors on Monday that the Department of Justice was prepared to use the FBI’s regional counterterrorism hubs to share information with local law enforcement about “extremists” and “agitators” in the protests sweeping the country.