WASHINGTON, Sha’ban 3, 436, May 21, 2015, SPA -- The United States and Cuba began their fourth round of talks here on Thursday to try to overcome obstacles to opening embassies in each other’s capital and re-establishing diplomatic ties. The US delegation at the meeting is led by the Assistant Secretary of State Roberta Jacobson, the Cuban side is led by the director of American affairs at the Cuban Foreign Ministry Josefina Vidal. --SPA 01:38 LOCAL TIME 22:38 GMT www.spa.gov.sa/w