 But Mr. Biden has already made an embarrassing mistake at the summit's closing ceremony less than an hour ago. It happened when he was introducing Ukraine's president, Volodymyr Zelensky. I've said before, Russia will not prevail in this war. Ukraine will prevail in this war and will stand with them every single step of the way. And now I want to hand it over to the president of Ukraine, ladies and gentlemen, President Putin. President Putin.