Trump needs a good war. Since goading North Korea turned out to be not such a good idea, a conflagration in the Middle East might distract his base from the nasty Russian investigation. Every Arab nation in the world is outraged and so are our Western allies.
Frustration and fury among Arabs at Trump's Jerusalem declaration | Reuters
Turkey joins US allies in warning Trump over Jerusalem - CNNPolitics
Warnings mount over Trump's Jerusalem declaration, Turkey sees 'red line'