Ukrainian President Volodymyr Zelensky has once again urgently called on the West to supply longer-range weapons, following the advance of his troops in the Russian region of Kursk. The capability of the Ukrainian armed forces to use such weapons against Russia is the most important strategic issue of this war, Zelensky said in his evening video message released in Kiev on Saturday. At the moment, he asserted, there is a lack of necessary decisions from the Western allies. He cited the example of the United Kingdom, which he claimed has become slower to act. The courage and resilience of the U…