Zimbabwean President Robert Mugabe, left and Morgan Tsvangirai, leader of the main opposition party, are seen at the signing of a memorandum of understanding between the two parties in Harare, Monday, July, 21, 2008. Zimbabwe's embattled president and his opposition rival have agreed to hold talks to resolve the country's political and economic crisis within two weeks. (AP Photo/Tsvangirayi Mukwazhi)