South Korea hopes to solidify its image as modern and efficient as host of the winter games, but its success relies heavily on cooperation from the North.

South Korea must capitalize on its diplomatic push to bridge the divide between its longtime ally and its combative neighbor.

The two-year-old war in Ukraine—which is far from deadlocked—could pivot dramatically in the coming months. U.S. decisions will play a decisive role.

The advanced U.S. fighter aircraft will mark a significant upgrade to Ukraine’s air force, but their impact on the war with Russia will hinge on several factors.