Mikio Aoki, known as the “don of the Upper House” for his influence inside and outside the LDP, died Sunday. He was 89. https://www.japantimes.co.jp/news/2023/06/12/national/politics-diplomacy/mikio-aoki-obituary/?utm_content=buffer8748d&utm_medium=social&utm_source=mastodon&utm_campaign=bffmstdn #news #japan #ldp #obituary #yoshiromori #keizoobuchi #mikioaoki