BERLIN (Reuters) - Recent data point to a weakening euro zone economy, the European Central Bank's Olli Rehn told a German newspaper on Sunday, adding that interest rates would remain at the current level until monetary policy goals have been met.The ECB has said it aims to keep interest rates at current record lows at least through the summer but its longstanding rate guidance is increasingly out of sync with market expectations due to an economic slowdown."Yes, the most recent data point to a..