WASHINGTON (Reuters) – Official creditors of Zambia, Chad and Ethiopia are set to meet in July, according to International Monetary Fund (IMF) chief Kristalina Georgieva, in a bid to promote efforts to overhaul their debt burdens. The three African nations have all signed up for debt treatment under the G20 Common Framework – an initiative launched in 2020 and designed to streamline debt restructuring efforts in the wake of poorer countries buckling under the fallout from the COVID-19 pandemic. However, progress so far has been glacial, and IMF and World Bank officials have been blunt about th…