CDU leader Merkel speaks with former German Chancellor Kohl at a CDU party convention in Dortmund, Germany. Angela Merkel (front R), leader of Germany's Christian Democratic Union party CDU and challenger of German Chancellor Gerhard Schroeder in the September 18 general elections talks to former German Chancellor Helmut Kohl (front L) while Edmund Stoiber, Bavarian state prime minister and leader of the CDU's sister party Christian Social Union party CSU addresses a CDU party convention in the western German city of Dortmund August 28, 2005. REUTERS/Wolfgang Rattay