Michael Barry is the latest staffer on the powerful council to depart as National Security Adviser John Bolton brings on his own team.
Kate Brannen is a national security reporter based in New York and the editorial director at Just Security. She also serves as a Nonresident Senior Fellow at the AtlanticCouncil's Brent Scowcroft Center on International Security.
Retired Col. Richard Hooker is pro-NATO, skeptical of Russia, and out at the White House.
It’s not just U.S. troops battling ISIS. Now the Army is sinking millions of dollars into private intelligence contractors for the fight.
Jihadists from Russia and Central Asia are pouring into the caliphate, four times more than a year ago.
A day after reportedly killing "Jihadi John" in Syria, the Pentagon announced it killed the top ISIS operative in Libya, Wisam al Zubaidi.
The president used to talk tough about wiping out the terror army. Not any more.
The English-speaking executioner from the gruesome videos showing the murders of U.S. hostages may have been killed by an American drone.
Some 3,586 airstrikes later, the American military is finally gearing up to compensate the families of Iraqis killed by American bombs in the ISIS war.
Record numbers are straining humanitarian agencies to the breaking point—and leaving those fleeing war zones without access to basic food and water.
The surging presidential candidate sounded awfully hawkish at the last GOP debate. But those talons don’t come cheap.