Poland's Prime Minister Donald Tusk enjoys a happy moment after he handily won a party vote but is still facing other challenges as his government loses popularity halfway through its second term. in Warsaw Friday Aug. 23, 2013. Tusk gathered some 80 percent of the votes in the ruling Civic Platform's election of leader, while challenger Jaroslaw Gowin got 20 percent, according to results released Friday. (AP Photo/Czarek Sokolowski)