German Chancellor Angela Merkel (R) chats with Greek Prime Minister Antonis Samaras during a welcome ceremony before talks in Berlin, August 24, 2012. The parliamentary leader of Merkel's ruling conservatives said on Friday, hours ahead of the chancellor's meeting with Samaras, that neither the time nor the content of Greece's rescue package can be renegotiated. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS)