Watch live: Pope Francis celebrates Mass with Pa. bishops, priests, religious Sep 26, 2015 | 2015 Archives, Latest news, Papal visit Watch live as Pope Francis celebrates Mass with Pennsylvania’s bishops, priests, men and women religious at Philadelphia’s Cathedral Basilica of Sts. Peter and Paul Sept. 26, with coverage beginning at 10:30 a.m. Related Articles Watch: Pope Francis celebrates Mass in Cuba Watch live: Pope Francis celebrates Mass at MSG Watch: Pope Francis celebrates Mass in Cuba