The question is whether the region can find a new equilibrium and avoid major conflict.
Michael Young is opinion editor of The Daily Star. He tweets @BeirutCalling.
It has been clear for some time that under president Donald Trump, the US is approaching security in the Middle East in a very different way to how it did the past. A new regional security order is emerging, with Israel taking a much more interventionist approach and playing a military role partly replacing that previously fulfilled by Washington, particularly with regard to Iran.