Zimbabweans call it the "Diaspora" - the flight of its citizens to neighbouring states and even further afield to such countries as Britain and Australia to escape their country's collapse.

The formation of Zimbabwe's unity government, although seen as a positive step, is not enough to entice Zimbabweans to return to their homeland.

Scenes of jubilation broke out at the long-distance bus terminus in Botswana's capital, Gaborone, on the day Morgan Tsvangirai, leader of the Zimbabwean opposition party, Movement for Democratic ...