The United Nations atomic agency has sent a team of experts to Iran to discuss Tehran’s past nuclear work, according to a person familiar with the situation, while the chief of the agency could visit Iran in coming days. Sept. 15 marks the start of a critical one-month period for the International Atomic Energy Agency probe aimed at shedding light on Iran’s past nuclear work. Under an agreement struck in July , Iran and the agency have until Oct. 15 to finish that work. IAEA Director-General Yukiya Amano is supposed to report his findings to the agency’s board by Dec. 15. Many Western officials say Iran has worked on developing nuclear weapons know-how. Tehran denies this, claiming evidence given to the IAEA was forged. Iran has stonewalled agency efforts to probe its past activities for years. Iranian cooperation with the IAEA probe is a prerequisite for the lifting of […]