text:  It's Morning Edition from NPR News. I'm Michelle Martin in Washington, D.C. And I'm A. Martinez in Los Angeles, California. President Biden's debate performance has worried many about his reelection prospects. Yes, Democrats have spent the last few days in uncomfortable public and private debates following the official presidential one last week. Instead of focusing on Biden's performance, they're trying to shift the conversation to Trump's character and policies. Here's former House Speaker Nancy Pelosi yesterday on CNN.