特朗普与梅德韦杰夫爆发“口水战”

Group 1 - The core viewpoint of the article revolves around the escalating verbal conflict between US President Trump and Russian Security Council Vice Chairman Medvedev, highlighting tensions in US-Russia relations [1][2]. - Trump warned Medvedev to "be careful with his words," indicating a strong stance against Russia's actions in Ukraine and threatening tariffs on Russian oil buyers if a ceasefire is not agreed upon within ten days [2][3]. - Medvedev responded by asserting that Trump's reaction signifies that Russia is on the right path, emphasizing that Russia will continue its current policies regardless of US pressure [2][4]. Group 2 - Medvedev criticized US Senator Lindsey Graham, referring to him as "old man," and stated that the US should focus on its own issues before dictating terms to Russia regarding peace negotiations [3][4]. - He also mentioned the "dead hand" system, a reference to Russia's automatic nuclear retaliation system, suggesting the dangers of underestimating Russia's military capabilities [4].