US plan to vaccinate millions of its citizens

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As President-elect Biden promises 100 million vaccinations in his first 100 day in office, major US philanthropist Melinda Gates gives her assessment of efforts so far to deal with the virus. Why is the announcement of election results in Ghana being postponed by 24 hours? And the Climate Change Committee here in the UK tells us the radical changes needed to reduce carbon emissions by almost 80 per cent.