 President Biden is expected to hold his first solo news conference within the hour as his campaign fends off calls for him to step aside as the party's presumptive nominee. Biden says the pressure on him to end his reelection campaign is coming from the same people who have doubted him throughout his public life. Biden just wrapped up his meeting with world leaders in Washington for the NATO summit today. And White House National Security Advisor Jake Sullivan says they remain confident in the president and his administration.