Zimbabwe's opposition faces rocky road to election as leader mulls exit

By MacDonald DzirutweHARARE (Reuters) - If Zimbabwean opposition leader Morgan Tsvangirai were to stand down - as he has hinted - the party he founded would face immediate instability and could even split, handing a gift to new President Emmerson Mnangagwa in an election this year.The most visible opposition figure in the southern African nation since independence from Britain in 1980, Tsvangirai said on Monday it was time for the older generation to make way for younger leaders in the party.Mna