“He got played again,” said Ivo Daalder, who was ambassador to NATO under President Barack Obama.

U.S. President Donald Trump reversed course in the wake of his meeting with Russian leader Vladimir Putin to say an overall peace agreement -- not the ceasefire that he has long championed -- is the ...

Whether or not Mr. Trump was tough with him behind the closed doors of their meeting room — whether or not their talks were, as Mr. Trump later said, “productive” — what has now been preserved for po...