text:  It's Morning Edition from NPR News. I'm Sasha Pfeiffer in Washington, D.C. And I'm A. Martinez in Culver City, California. Coming up, the latest effort by some congressional Democrats to pause President Biden's nomination for reelection. But first, the Republicans. Night two of the GOP convention was a night of rivals coming together to back Donald Trump, including his final primary opponent to drop out, Nikki Haley.