In the west of Central Malawi, and bordering Zambia, is Kasungu National Park, an 800 sq mile (2100 sq km) area of natural woodland and bush with occasional stretches of more open grass. At one time, Kasungu was Malawi’s main game park, closest to Lilongwe and favoured by the country’s first President, Dr Hastings Kamuzu Banda. But it has been long