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 death toll from the Israel-Hamas war continues to mount, with no lasting settlement in sight. Meanwhile, concerns about humanitarian catastrophe and regional violence are spreading.

The Trump administration’s approach to ten critical global summits in the year ahead will show whether its pullback from multilateralism in 2017 was an aberration or the start of a new normal.

President Trump’s much-anticipated Afghan policy rightly avoids troop withdrawal timelines but offers little prospect for progress against the durable Taliban.