from ODIRILE TOTENG in Gaborone, BotswanaBotswana BureauGABORONE, (CAJ News) - A HEATWAVE is forecast to persist across much of Botswana through at least Friday. The Department of Meteorological Services (DMS) has issued a nationwide warning, advising of a significant increase in temperatures across the country. Temperatures of 36°C to 40°C (97F to 104 F) are