International Atomic Energy Agency chief Yukiya Amano, a former Japanese diplomat who promoted the peaceful use of nuclear technology, has died, the U.N. nuclear watchdog said Monday. He was 72.The IAEA "regrets to inform with deepest sadness of the passing away" of its director general, it said in a statement. He had been in poor health since last year and had planned to resign in the middle of his third term through 2021.Amano, who became the first Asian to be elected to the post in 2009, worked to address the Iran nuclear issue as well as to beef up the watchdog's oversight of North Kore…READ FULL ARTICLE