Despite Poland being a firm ally of Ukraine ?in its war with Russia, the two nations are in dispute ?over Kyiv's renaming of an army unit after ?a ?nationalist force that massacred Poles during World War Two.Here's how their rival interpretations of history have soured relations: UKRAINIAN INSURGENT ARMY Polish President Karol Nawrocki stripped Ukrainian President Volodymyr Zelenskiy of the country's top honour on Friday, after Zelenskiy signed ?a decree recognising a Ukrainian combat unit's contribution to the fight against Russia by naming it after the Ukrainian Insurgent Army (UPA), angering many in Poland.During and after World War Two, when...