scotland. joining me now from scotland is gordon brown. when he was the british prime minister, he hosted a g20 that made great progress in healing the then-broken global economy. gordon, welcome. >> hello. >> you have been -- you have been urging that the g20 take active measures to close the vaccine gap that you call immoral. 60% to 70% of the developed world is vaccinated. 3% to 5% of africa is vaccinated. and yet no great measures came out of the g20 on this front. why do you think they're not moving in this direction? as you point out, hundreds of millions of vaccines are actually expiring and will be used by no one. >> yep, we could lose 100 million vaccines just wasted passed the use-by date by the