Russia approaches talks on Ukraine in winning position -- expert / Russia open to communication with US over Ukraine conflict -- Putin / Trump's team not engaging in dialogue with Ukrainian politicians -- lawmaker / Former foreign minister Kuleba takes Ukraine's message to lecture halls / Russia not to deviate 'one bit' from its main conditions in talks on Ukraine -- speaker / Politics chat: Trump's Chief of Staff, Ukraine war, Elon Musk, Democrats' response / Austin makes political message in Ukraine trip / "Delusional ideas": Ukrainian military officials describe communications with Trump assassination suspect / Austrian chancellor voices readiness to host Ukraine talks in his country / Mediators to be needed for talks between Russia, Ukraine -- Hungarian official