If Europeans see the Trumpian moment as an opportunity, the question is what they will do with it—and how it will affect the United States.
Insisting on a “better” agreement, and threatening to walk away, is a recipe for no deal at all.
The human cost of the war on ISIS has become too easy for Americans to ignore. We in the Obama administration helped shape that war.
Fear is the one thing preventing it—but could also precipitate it.