 despite calls from some members of his own party to drop out. They've cited his age and ability to lead the country for a second term. Prior to the press conference, Biden met NATO leaders, but at one point he misspoke. He referred to Ukrainian President Volodymyr Zelensky as President Putin of Russia. Biden then corrected himself. NPR's Deepa Shivaram reports today Biden is going to the swing state of Michigan to campaign following the high-stakes press conference.