 I'm Dan Crocker, a reporter for NPR News based in Duluth. The money that comes from our members helps support my reporting. I am here to tell the stories of the people who live and work in the Arrowhead. Thanks for making it possible. Welcome to NewsHour from the BBC World Service. I'm Julian Marshall. Biden bounces back. The U.S. president defends his faltering performance at last night's TV debate with Donald Trump, which has led some Democrats