Poland's acting President Bronislaw Komorowski, speaker of the parliament and presidential candidate from Civic Platform Party (PO) holds a ballot paper before casting his vote at a polling station in the village of Mackowa Ruda, eastern Poland, during presidential elections July 4, 2010. Poles began voting on Sunday in a presidential election run-off that will help decide the speed and scale of economic reforms and set the tone for Warsaw's ties with its European Union partners and with Russia. REUTERS/Kacper Pempel (POLAND - Tags: ELECTIONS POLITICS)