 Live from NPR News in Washington, I'm Dave Mattingly. President Biden remains at his beach house in Delaware as he deals with COVID and growing calls from Democratic lawmakers to drop out of the race. More than 20 congressional Democrats have publicly called on Biden to end his reelection bid. They include a second senator, John Tester of Montana. Senator Peter Welch of Vermont was the first to do so. Biden's campaign manager says she remains confident.