The United States and Iran are due to hold their second round of nuclear talks on Saturday, as what both sides are looking for in a deal begins to take shape.

Oman's Sultan Haitham bin Tariq al-Said is set to visit Moscow on Monday, days after the start of a round of Muscat-mediated nuclear talks between the U.S. and Iran.

On Saturday, in Rome, at the Embassy of Oman, the second round of talks between the United States and Iran commenced concerning the Iranian nuclear program. The negotiators include Washington's special envoy,