Andrzej Duda published a 2011 paper on Donald Tusk's approval to cooperate with abroad peculiar services by the Military Counterintelligence Service. Among these countries was the Russian Federation. Andrzej Duda posted on social media a paper dated October 17, 2011. The letter was addressed to then Prime Minister Donald Tusk, Chief of Military Counterintelligence Service, General Brig. [...]