The Dakar is renowned as one of the world’s great motor sport adventures: a race through dunes and deserts to the Senegalese capital. But any competitors speeding through the West African city will find themselves 3,000 miles off course as the 30th edition of the rally begins today – in Argentina.Africa had become too high a risk and a return to the continent is unlikely in the near future. Officials in the Francophone African countries say that the decision will cost them millions of euros in...