Iran plans to formally unveil an agreement on a temporary shipping lane through the Strait of Hormuz on Monday, after a flurry of diplomatic activity including a rare meeting between senior officials from Tehran and Abu Dhabi. The Islamic Republic is set to reveal to Gulf nations its agreement with Oman on a temporary new shipping lane, according to a person familiar with the matter. Negotiations on details such as the fees ships may be charged will continue between the two countries later, they...