First of all, to mediate the dispute among the different Iraqi parties and militias over what the future structure of the country and division of oil is going to be.

NPR: Is Victory in Iraq Still Possible?

Last week Mr Tsvangirai asked for the AU and SADC to help mediate a political solution based on the results of the first round.

ECONOMIST: Zimbabwe

If Mr Arias's American-backed mission to mediate succeeds, Barack Obama's administration may yet emerge from its first big test in Latin America with its prestige enhanced.

ECONOMIST: Can negotiations reinstate Manuel Zelaya?

In 1964, Pope Paul VI issued his first encyclical, "Ecclesiam Suam, " which stated his willingness to mediate in international disputes.

CNN: Sunday,