韩德洙最后时刻辞职参选、李在明官司重审，韩国大选悬念陡增

Group 1 - The core point of the article is the political dynamics surrounding the upcoming South Korean presidential election, particularly the implications of recent judicial decisions and candidate announcements [1][9][10] - Lee Jae-myung leads in the polls with a support rate of 42%, while his main competitor, Han Duck-soo, has a support rate of 13% [1][8] - Han Duck-soo officially announced his candidacy for the presidency and resigned from his positions as acting president and prime minister [1][6] Group 2 - The Constitutional Court's decision to overturn the previous acquittal of Lee Jae-myung adds uncertainty to his candidacy, as the case will be retried [1][9][10] - The resignation of Choi Sang-mok, the acting president, was influenced by a motion for impeachment submitted by the opposition party, which reflects the political tensions in the current administration [3][4] - The new acting president will be Lee Joo-ho, the Minister of Education, following the resignation of Choi Sang-mok [5] Group 3 - The National Power Party is preparing for its final candidate selection, with Kim Moon-soo and Han Dong-hoon advancing to the final round of voting [7] - The political landscape is characterized by a struggle for unity among conservative factions, particularly in light of Han Duck-soo's entry into the race [6][7] - The potential impact of Lee Jae-myung's legal challenges on his candidacy remains a significant concern, with analysts suggesting that the timing of judicial decisions may affect the election outcome [10][11]