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In this Dec. 5, 2017 photo Poland's Prime Minister Beata Szydlo, front left and Finance Minister Mateusz Morawiecki, front second right, attend a parliament session in Warsaw, Poland.Poland's conservative ruling party said Thursday, Dec. 7, 2017 that Polish Prime Minister, Beata Szydlo, has resigned and will be replaced by Morawiecki. (AP Photo/Czarek Sokolowski)