普京赞扬特朗普，暗示俄美或达成核军控协议

Group 1 - Russian President Vladimir Putin praised the Trump administration's "positive" efforts to end the Russia-Ukraine conflict and hinted at a potential nuclear arms control agreement during the upcoming summit in Alaska [1] - Putin indicated that the talks with the U.S. aim to create conditions for long-term peace between the two countries and globally [1] - The New START treaty, which limits the nuclear arsenals of both nations, is set to expire in February 2026, raising concerns about future arms control agreements [1] Group 2 - Earlier this month, Trump ordered two nuclear submarines to be strategically deployed near Russia in response to provocative statements from Dmitry Medvedev, highlighting the tense relations between the two countries [2] - The summit will include a one-on-one conversation between the two presidents, followed by a working lunch, focusing on the Russia-Ukraine conflict and economic cooperation [2] - European leaders expressed cautious optimism after discussions with Trump, who agreed on the need for an immediate ceasefire and emphasized Ukraine's role in future negotiations [4]