AFRICANGLOBE - There are two things that loom large when people discuss Botswana’s president Ian Khama in Zimbabwe: his maverick (if queer is not the word) nature and a particular knack for taking potshots at President Mugabe. Over the years, Khama has been calling for President Mugabe to step down, for the implied benefit of his pal Morgan Tsvangirai, and more to please the Americans, their mutual master.