Iran has asked Saudi Arabia to persuade the US to revive stalled nuclear talks, underlining Tehran's anxiety over a possible repeat of Israeli airstrikes and its deepening economic woes, two regional sources with knowledge of the matter said.A day before Crown Prince Mohammed bin Salman's visit to the White House earlier this week, Iranian President Masoud Pezeshkian sent a letter to the de facto Saudi leader, Iranian and Saudi media reported on Monday.In the letter, Pezeshkian said Iran "does