President Biden mistakenly introduced Ukrainian President Volodymyr Zelensky as "President Putin" before correcting himself at an event on July 11 in Washington, D.C. Read more: https://wapo.st/3zxpj6Y. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/