As he turns 93, Mugabe dismisses corruption allegations

By MacDonald DzirutweHARARE (Reuters) - As he celebrated his 93rd birthday on Tuesday, Zimbabwe President Robert Mugabe brushed aside persistent allegations of corruption against senior officials, saying rumour-mongers were merely targeting "big fish" in his administration.In comments to be aired on state media on Tuesday, the world's oldest leader said he would act if shown evidence - even though graft scandals involving ministers and even members of his own family are regular fare in local new