Iraq’s caretaker prime minister is set to fly to Saudi Arabia, followed by Iran, carrying a new initiative aimed at renewing talks between the two regional arch foes, an official said Saturday. The official said Mustafa al-Kadhimi was scheduled to travel to Riyadh later in the day for meetings with Saudi officials. He will then travel to Tehran on Sunday. Al-Kadhimi’s visit seeks to open new avenues that would reactivate Baghdad-mediated dialogue between Saudi Arabia and Iran, according to the official, who is privy to the Iran-Saudi dialogue track. The official spoke on condition of anonymity…