 shaking hands and taking selfies for a long time at three separate stops and delivering remarks at a union hall without notes. We got a lot to do, folks, but we can do it. We're on the cusp of getting so much done. Biden has been joined at various points along the way by the state's two U.S. senators, a congresswoman and the governor. Tamara Keith, NPR News, traveling with the president in Harrisburg, Pennsylvania.