Ukrainian President Volodymyr Zelensky is set to meet with Polish leaders in Warsaw ahead of the NATO summit in Washington, the Polish government reported on Monday. Zelensky is expected to meet with Prime Minister Donald Tusk around midday. Tusk recently announced that he would most likely sign a bilateral security agreement with Zelensky. In the early afternoon on Tuesday, Zelensky is to meet his Polish counterpart Andrzej Duda. Poland, an EU and NATO member, is one of the most committed political and military supporters of Ukraine, which has been fending off Russia’s full-scale invasion for…