Oman's goodwill and relationships with the Muslim world and the West could prove vital, as they have historically, to ensuring that US-Iran tensions don't boil over.
The Saudis and Emiratis have the ear of the US president and are likely pushing for a confrontation with Iran - but they might end up disappointed as the 'America First' president does not have an appetite for war.
Both the US and Iran are reluctant to make the first move towards talks and if it remains that way a third-party should initiate contact before tensions reach a boiling point.
Security crises in the Persian Gulf will become increasingly high-stakes as the lack of communication between Iran and the US and its allies can trigger misinformation, perceived threats and potentially military confrontation.
Donald Trump's administration is pushing Iran to the edge but the administration might not understand exactly what that entails.
Part VI: The Power of the Revolutionary Guard - this is the sixth in a series of articles that looks at how the Iranian Revolution came to be in 1979, and where it has led Iran over the course of four decades.
Donald Trump's move to designate Iran's Revolutionary Guard Corps as a terrorist organisation is part of a larger campaign to isolate and weaken Iran while strengthening Israel's position in the region.
Tehran says US President Trump's decision on elite Revolutionary Guard "illegal," declares US a "state sponsor of terrorism."
Iranian Foreign Minister Mohammad Javad Zarif resigned late without warning, offering an "apology" to the nation as the nuclear deal he negotiated with world powers stands on the verge of collapse after the US withdrawal from the accord.
Amid Saudi offers of economic help and Iran’s military support, it might be harder than ever for Lebanon to insulate itself from regional conflict.
Fear of Iranian expansion brings Saudi Arabia, the UAE and Egypt closer to Israel, pushing the Palestinian cause to the back burner.
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