Donald Trump’s all-but-dismissal of human rights as a foreign policy principle could land like an earthquake across a Middle East landscape beset by warring factions and beleaguered governments, with some players eyeing the prospect of once unimaginable new alliances. Syria is the foremost test of Trump’s promise of a return to a hard-headed realpolitik and could quickly show whether America is truly abandoning promotion of democracy and the rule of law in a way that could reshape much of the region’s post-Cold War, post-9/11 order.