As diplomatic tensions between Poland and Ukraine show few signs of abating, Volodymyr Zelenskyy’s absence from Gdansk could become the conference’s most significant political signal. ADVERTISEMENT ADVERTISEMENT Ukraine’s president will skip the two-day "Ukraine Recovery Conference" in Gdansk, a high-level gathering on the post-war reconstruction of his country amid a deepening rift with Warsaw over the naming of a military unit after the World War II-era Ukrainian Insurgent Army (UPA). Relations between Ukraine and Poland are now facing their deepest crisis in years, driven by a sharp resurgence of what is viewed in both countries as one of the most...