Washington now faces choices: proceed with the deal and adjust its conception of alliances in the region or succumb to legislative stagnation and reject or downgrade the deal.
What perhaps remains unresolved, is how long the American electorate will allow Trump to reduce their country into a paranoia state, an empire of appalling tantrums and ragtag diplomacy.
If Trump were to implement his threat, he would, in essence, be Vladimir Putin's partner in crime in a war of aggression that violates international law.
For a nation founded on massacres of Native Americans and centuries-long African slave ownership, the lurch towards racism under Trump is not surprising.