“[T]he defense of Tallinn and Riga and Vilnius is just as important as the defense of Berlin and Paris and London,” Obama said. “Article 5 is crystal clear. An attack on one is an attack on all. So if, in such a moment, you ever ask again, who’ll come to help, you’ll know the answer: the NATO alliance, including the armed forces of the United States of America, right here, present, now.”
This is the ultimate commitment, given by the ultimate authority, in the very place where the commitment would be tested—and would have to be honored. There’s no turning back from that. Today, for the first time perhaps, Eastern Europeans have reason to believe it. And Vladimir Putin? His depredations have brought about the very result he claimed most to fear: a reanimated NATO rededicated to the defense of all its members, new and old, West and East, backed by the ultimate commitment of the United States.