[T]he crisis of soft power risks accelerating the decline of [U.S.] power in the world, activating and speeding up centrifugal dynamics that might otherwise have taken years to fully manifest.
Trump and his advisers have repeatedly insisted that the U.S. president can pretty much do whatever he wants and that the pesky Congress need only be consulted rarely.
[M]ore American troops will complicate US relations with its NATO ally Turkey and the bloody situation with Syria divided between rebel factions battling for dominance.