text:  This is live special coverage from NPR News. I'm Juana Summers. And I'm Scott Detrow. Tonight, the stakes could not be higher for President Joe Biden and his reelection campaign. In a few minutes, the president will hold a news conference and take questions from reporters at the end of a three-day NATO summit. It comes at a critical time for the newly expanded NATO alliance. And as Biden faces pressure from a growing number of Democratic lawmakers and donors to withdraw from the presidential race.