"The pre-season has been very successful but we are all very aware that it doesn't count for anything when it comes to Saturday, 14 August, " he said.

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The business challenge comes when Christmas falls on a Saturday, and they need to analyze data from seven years back to understand specific patterns.

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"When it comes to negotiations we fear no one, " Tsvangirai said Saturday, speaking to a crowd in Marondera, a farming town about 70 kilometers (43 miles) east of the capital, Harare.

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