European leaders met in Dublin on Thursday as hopes were raised that US envoys could achieve a breakthrough in bringing peace to Ukraine before the end of the year.American negotiators Steve Witkoff and Jared Kushner were expected to stress positive momentum on arrival from Moscow, where Russian ⁠President Vladimir ​Putin told them he was not opposed to peace but insisted it must last forever. Ukraine's President Volodymyr Zelenskyy has welcomed…