The U.N.’s role in mediating peace deals is declining as its humanitarian operations expand. That might not be sustainable.

Trump is right that Europeans should step up when it comes to the continent’s defense. But his plan to make them do so is ...

Jennifer Kavanagh is director of military analysis and a senior fellow at Defense Priorities. She is also an adjunct ...

Daniel R. DePetris is a fellow at Defense Priorities and a syndicated foreign affairs columnist at the Chicago Tribune.

Biden’s move just before he leaves office highlights his extremely cautious—and, in effect, hardline—approach to U.S.-Cuba ...