Core Viewpoint - The recent phone calls between US President Trump, Russian President Putin, and Ukrainian President Zelensky indicate a shift in the US approach towards the Russia-Ukraine negotiations, raising concerns among Ukraine and European nations about the US's stance leaning towards Russia [1][2]. Group 1: Negotiation Dynamics - Trump has expressed a preference for direct negotiations between Russia and Ukraine, suggesting that the conditions for a peace agreement should be determined solely by the two countries [4][6]. - The discussions have led to the proposal of drafting a memorandum outlining the principles for resolving the crisis and a potential timeline for a peace agreement [6][8]. - Both Russia and Ukraine are expected to draft their own versions of the memorandum before engaging in difficult negotiations to reach a unified text [8]. Group 2: Reactions and Concerns - Zelensky has voiced concerns about the US potentially withdrawing from the negotiation process, emphasizing the importance of US and European involvement in achieving peace [9][11]. - European leaders have expressed surprise at the US's reluctance to impose new sanctions on Russia, indicating a possible shift in the US's pressure tactics [11]. - Zelensky insists that Ukraine will not compromise on territorial issues and requires involvement in any decisions regarding Ukraine's future [8][9].