Bernd Lucke, professor of macroeconomics and co-founder of Germany's anti-euro party ''Alternative fuer Deutschland'' (Alternative for Germany) is pictured on a video screen as party fellows Frauke Petry (L-R), Konrad Adam, Alexander Gauland and Dagmar Metzger applaud during the first party congress in Berlin April 14, 2013. REUTERS/Fabrizio Bensch