执政未满一年，连遭选举挫败，石破茂宣布辞任自民党总裁

Core Viewpoint - Japanese Prime Minister and ruling Liberal Democratic Party (LDP) President Shigeru Ishiba announced his resignation due to significant electoral defeats, indicating potential political instability in Japan [1][3][4] Group 1: Resignation Announcement - Ishiba stated that he would not participate in the upcoming LDP presidential election and expressed that the decision to resign was difficult, taking responsibility for the party's poor performance in the July Senate elections [3][4] - The LDP has faced internal pressure for Ishiba to resign, with over 40% of party members supporting an early presidential election as of July 7 [4][5] Group 2: Political Implications - Ishiba's resignation may lead to a turbulent political landscape, as the new LDP president will influence domestic policies and Japan's international relations, particularly with China and the U.S. [1][8] - The upcoming presidential election will focus on key issues such as inflation, U.S. tariff negotiations, and potential cooperation with opposition parties [8][9] Group 3: Potential Successors - Potential candidates for the next LDP president include former Minister Sanae Takaichi, Minister of Agriculture, Forestry and Fisheries Yoshikazu Koizumi, and former Minister of Economic Security Takayuki Kobayashi, among others [8][9] - The new leader will need to address the public's trust issues stemming from the LDP's past scandals and current economic challenges [9]