Ukraine's Zelenskiy sees window for U.S. mediation until summer 2027

KYIV, Aug 25 (Reuters) - Ukraine sees a window ⁠of opportunity for U.S. mediation to end Russia's war in Ukraine until the end of next summer ⁠and has drafted one page of ideas with U.S. and European officials to be presented to Moscow, ‌President Volodymyr Zelenskiy said.