Brussels, 01/03/2010 (Agence Europe) - After a meeting in Athens with the Greek finance minister, Georges Papaconstantinou, EU Economic and Monetary Affairs Commissioner Olli Rehn said that Greece must come up with supplementary measures to decrease its public deficit by 4% of GDP in 2010. He said that the risk of macroeconomic changes in the market are genuine and further consolidation measures are required to be sure of achieving the objective of cutting Greece's deficit this year....