特朗普180度大转变！让俄乌自己谈=抛弃乌克兰？

Group 1 - The core viewpoint of the articles highlights a significant shift in U.S. President Trump's stance towards Russia, indicating a potential withdrawal from mediating the Russia-Ukraine conflict, which raises concerns among Ukraine and European allies [2][3][5] - Trump's recent conversation with Russian President Putin was characterized by a friendly tone, suggesting a willingness to engage in large-scale trade post-conflict, which contrasts sharply with previous threats of punitive measures against Russia [1][3] - The dialogue between Trump and Putin may lead to direct negotiations between Russia and Ukraine, with Putin expressing readiness to collaborate on a memorandum regarding a potential peace agreement, although the specifics remain unclear [3][4] Group 2 - Ukrainian officials, including President Zelensky, expressed concerns that the U.S. withdrawal from mediation could benefit Putin, emphasizing the importance of U.S. involvement in negotiations for peace [2][4] - The current military situation appears unfavorable for Ukraine, with reports indicating that Russian forces are making advances towards the administrative borders of the Donetsk region, which Russia aims to fully control [6][7] - Analysts suggest that Russia is successfully maintaining its military operations and may continue to push for territorial gains before engaging more seriously in negotiations, especially with favorable weather conditions approaching [7]