Zimbabwe's political rivals reach power-sharing deal: Mbeki

President Robert Mugabe and opposition leader Morgan Tsvangirai have reached a power-sharing deal to end political crisis, South African mediator Thabo Mbeki announced Thursday."An agreement has been reached on all items on the agenda ... all of them endorsed the document tonight, signed it," the South African president, who chaired the negotiations between the political rivals, told a press conference.Details of the deal were not released and Mbeki said the agreement would only be made public after a formal signing ceremony scheduled for next Monday at 10 am.