external In the Media CNBC: Biden rallies world leaders at G-20 to help address global supply chain issues October 31, 2021 Howard Stoffer, professor of national security and international affairs, comments on the global economy will be very important to discuss at the summit. https://www.cnbc.com/2021/10/29/biden-to-discuss-intensifying-supply-chain-challenges-with-g20-leaders.html?&qsearchterm=Biden%20to%20Discuss%20Intensifying%20Supply%20Chain%20Challenges%20With%20G-20%20Leaders news-all news-in-the-media year-2021 month-october