 ABC News, I'm Michelle Franzen. At the NATO summit in Washington, D.C., President Biden joining NATO leaders for a photo for this year's gathering. He'll later meet with leaders on the sidelines. On Capitol Hill, the president still facing headwinds when it comes to Democratic support as the party's nominee. ABC's Selena Wang has more. Publicly, you have largely seen the caucus fall into line. Only a small handful of House Democrats calling for the president publicly to step aside. And what that really shows is that