CNN  —  Fearing the repercussions of a total regime collapse in Iran, Gulf Arab states have intensified their outreach to the Trump administration and Tehran over the past week. The United Arab Emirates, a US ally that has long been opposed to an unsupervised Iran nuclear program, has been in contact with officials in Tehran and Washington to avoid further escalation, according to a top official, amid fears that instability in Iran could affect the region. “We’re following the situation very