Former Vice President Joe Biden, who calls himself “a kid from Scranton,” has lost his wide lead over President Trump in his native Pennsylvania, where the 2020 presidential race is a dead heat. The latest Rasmussen Reports poll showed that both are tied at 46%. And, significantly, said the poll analysis, among the 82% of voters who said that they are “certain” how they will vote, Trump holds a 51%-49% advantage. Rasmussen is the second poll in two days to show the race in Pennsylvania, a key battleground state, has become a tie. The Monmouth University Poll said Wednesday that...