 We turn to the battleground state of Pennsylvania. Lucas Tomlinson is in Harrisburg, where President Biden will hold a rally after a visit to Philadelphia. Lucas. Shannon, on the banks of the Susquehanna, President Biden has returned here to Pennsylvania, a state he has visited more than any other outside of his home in Delaware. And despite calls from some of his fellow Democrats to bow out of the race in an exclusive interview with ABC News anchor George Stephanopoulos, the president says only one thing can get him to do that.