Obama's final letter to Bronisław Komorowski

US President Barack Obama sent a letter to former Polish President Bronisław Komorowski, thanking him for his work.  Obama emphasized  how impressed he is by the "Polish dynamism". Moreover Obama called Poland a leader and role model in its region as far as values like democracy and liberty are concerned. Also the US President thanked Bronisław Komorowski for his great support and being a leading force in fighting for Ukraine's sovereignty