Poland's Prime Minister Donald Tusk gestures as he speaks during a conference at the Warsaw Stock Exchange August 28, 2009. Poland's economy grew faster than expected in the second quarter, bucking a regional trend towards contraction and reinforcing the view the central bank would keep interest rates flat in the months ahead, data showed on Friday. In the background is a graph of the Warsaw Stock Exchanges large cap index WIG20. REUTERS/Kacper Pempel (POLAND POLITICS BUSINESS)