 Live from NPR News, I'm Dale Willman. President Biden continues to face calls to step aside as the Democratic Party nominee after his poor debate performance this week. But as NPR's Stephen Fowler reports, Biden's supporters at his first post-debate rally say they see no cause for concern. Prominent opinion columnists and anonymous Democratic Party voices say after bombing the debate that Biden should back out of being the presidential nominee. But after an energetic 2,000-person rally in Raleigh Friday...