tax revenue. >> one country cuts taxes to attract jobs in foreign firms, and other countries feel they have to match to stay competitive. ask so over decades, corporate taxes have simply fallen around the globe, and the winners from that have been the corporations themselves. >> reporter: president biden also met today with the leaders of germany, france, and the u.k. for what one white house official described as a no-b.s. conversation about restarting nuclear talks with iran after president trump pulled out of a deal brokered by the obama administration. >> when would you like talks with iran to resume? >> reporter: the new global minimum corp rapt tax won't go into effect right away. each country will have to craft its own legislation and pass it. president biden has already inserted the measure into his new "build back better" bill