range of issues and challenges facing the world. and there have been some key pledges made in this first day of talks. as you said they re own vaccines, the 620 leaders saying that they pledged to have 70% of the world vaccinated by the middle of next year. that will require a much faster sharing of vaccine doses from richer countries to cooler countries than we have seen so far. there was also rubber stamping of an agreement that came 18 months ago among 620 finance ministers to set a global minimum corporate tax. 15%. to try to stop multinational companies from using offshore tax havens. and there was a communiqu that came through from the uk, us, france and germany, trying to urge iran to stop its uranium enrichment and try to coax it back to the new killer deal. the 620 leaders are enjoying a sumptuous