EMMA BATHA FORMER world leaders have for urgent global action to stop coronavirus creating a "COVID generation" with millions of children deprived of education and forced into marriage and work. As lockdowns end, they urged governments to invest in catch-up programmes to prevent irretrievable damage to children's futures. "We cannot stand by and allow these young people to be robbed of their education and a fair chance in life," said the letter signed by 275 former world leaders, economists and educationalists. Signatories included former U.N. chief Ban Ki-Moon, former Irish president Mary Robinson, former New Zealand prime minister Helen Clark…