The Harris-Walz campaign's Reproductive Freedom Bus Tour stopped in Philadelphia on Sunday, joined by Gov. Josh Shapiro.

Pennsylvania voters could have their mail-in ballots thrown out if they do not write accurate dates on envelopes they use to return them under a state Supreme Court ruling issued Friday that could impact the presidential race.

Pennsylvania Gov. Josh Shapiro (D) said Sunday that “every election is close in” his home state when asked about Vice President Harris’ chances of winning. “How likely is it at

U.S. News in September handicapped Pennsylvania as one of seven of “toss-up” states for the 2024 presidential election. That’s despite Trump’s 2016 victory being a recent rarity: Democrats had otherwise won the state in every election since 1992. Republicans, however, won Pennsylvania throughout the 1980s.

Vice President Kamala Harris told reporters she was "feeling very good about Pennsylvania" while campaigning on Friday in the key battleground state.

The Pennsylvania Supreme Court threw out a lower court ruling that required such ballots to be counted during November’s presidential election.

Vice President Harris took a rare question from reporters Friday at a bookshop in Johnstown, Pennsylvania. Her comment when asked how she feels about her chances of winning Pennsylvania: VICE PRESIDENT KAMALA HARRIS: I am feeling very good about Pennsylvania because there are a lot of -- people in Pennsylvania who deserve to be seen and heard.

Underscoring Pennsylvania’s weight in the 2024 election, ABC News chose to host the first presidential debate between Trump and Harris there, on Tuesday in Philadelphia; Pennsylvania is also significant to Trump personally, as he was shot there while speaking at a rally near Butler on July 14.

The latest blow came from a poll conducted between September 4 and 6, which found Trump holding a slight lead.