CANBERRA, Australia - Prime Minister John Howard said Sunday the Australian government has banned the country's cricket team from touring Zimbabwe in September because he does not want to support the regime of a "grubby dictator." Howard told Australian Broadcasting Corp. television that his foreign minister has written to the organization of Cricket Australia calling off the tour for the World-Cup champions. "We don't do this lightly, but we are convinced that for the tour to go ahead, there would be an enormous propaganda boost to the Mugabe regime," he said of Zimbabwe's President Robert Mugabe. "The Mugabe regime is...