 Live from NPR News in Washington, I'm Corva Coleman. President Biden will campaign in North Carolina today, and former President Donald Trump will go to Virginia. It's the day after their first debate of this year's election season. They met for 90 minutes in Atlanta in a debate hosted by CNN last night. Some observers have been criticizing Biden for a performance they call weak and halting. Biden's campaign said he was suffering a cold, but the observers claim that his raspy voice and hesitant delivery