FILE - In this July 3, 2010 file photo German Chancellor Angela Merkel celebrates next to South African President Jacob Zuma, left, after Germany's Thomas Mueller scored a goal during the World Cup quarterfinal soccer match between Argentina and Germany at the Green Point stadium in Cape Town, South Africa. Merkel will travel to Germany's European Championship quarterfinal match against Greece for a game that brings together nations at opposite ends of Europe's debt crisis, the German government said Wednesday, June 20, 2012. (AP Photo/Gero Breloer, File)