Karol Nawrocki, a conservative historian, has taken office as Poland's president, potentially steering the country towards nationalism and challenging Prime Minister Donald Tusk's centrist agenda. Supporters view Nawrocki as a symbol of traditional values, while surveys indicate public concern over potential conflicts between him and Tusk. Nawrocki's political rise has been controversial, with links to scandals affecting his credibility. Experts suggest he faces significant challenges both domestically and internationally.