Mediators moved closer Wednesday to extending the ceasefire between the United States and Iran and restarting negotiations to salvage the fragile truce before it expires next week. The U.S. blockade on Iranian ports and renewed Iranian threats have imperiled the week-old agreement, but regional officials said Wednesday they were making progress, telling The Associated Press that the United States and Iran had given an “in principle agreement” to extend it to allow for more diplomacy. Before the two-week ceasefire expires on April 22, mediators are pushing for a compromise on three main sticking points that derai (full story)