One big question was left unanswered at NATO's biggest summit of the year, and only America's delegation could answer it.But the U.S. did not discuss with its allies any plans to roll back the American troop presence in Europe,

Alexander and Queen Máxima of the Netherlands. He was the last of the dozens of heads of state invited to the Paleis Huis ten Bosch in The Hague, the straight-backed footmen in braided gold tailcoats swaying in place by the time he climbed out of his armored limousine.

NATO’s summit in the Netherlands has been described as “transformational” and “historic.” The 32 members of the world’s biggest security organization endorsed a plan to massively ramp up defense spending.