Former German Defence Minister Volker Ruehe (R) looks into his notebook ahead of a CDU party congress in Berlin December 13. The CDU is holding a one-day party convention to hammer out
A combination of four pictures shows Angela Merkel (top L), CDU secretary general, Wolfgang Schaeuble (top R) CDU chairman, Volker Ruehe (bottom L), former German Defence Minister and Juergen Ruettgers (bottom R),