SOUTH  Africa's alcohol industry, reeling under a renewed liquor sales ban since end December, has called for a deferment of excise duty to stave off a wave of business closures and job losses. President Cyril Ramaphosa extended an existing countrywide ban on alcohol sales on Monday saying it has helped to reduce trauma cases in hospitals and keep staff and facilities available for COVID-19 patients. He did not give a definitive date on when the ban would be lifted. "The South African wine industry faces a grim picture of business closures, job losses, downward price pressure, structural damage to subsectors,"…