Pope Francis "is doing a very good job" and "has a lot of energy" Donald Trump said last night. Cardinal John Onaiyekan has called for a national spiritual rebirth in Nigeria. Cardinal Philippe Barbarin is facing calls to resign over his handling of a clerical abuse scandal in the Archdiocese of Lyon (French report). Emma Green, Mollie Hemingway, Leah Libresco, Fr Dwight Longenecker, Kathryn Jean Lopez, Michael Mathes, Terry Mattingly, Jon Sopel, Liam Stack and Tim Stanley reflect on the clash between Pope Francis and Donald Trump. Rorate Caeli and Fr John Zuhlsdorf comment on the inflight papal press conference. Joan Frawley Desmond asks what US Supreme Court Justice Antonin Scalia's death means for the Little Sisters of the Poor. And Brantly Millegan investigates claims that the "ghost" of St John Paul II was captured by cameras during Francis's trip to Mexico. Follow me on Twitter @lukecoppen for updates throughout the day.