Pope Francis is expected to personally welcome the Pope Emeritus when he returns to the Vatican this evening. Cardinal Keith O'Brien has been seen in Scotland for the first time since he left the country amid scandal. Catholics in Guatemala have marked the 15th anniversary of the murder of Bishop Juan Gerardi. Elie Gardner talks to Rio slum-dwellers who are looking forward to meeting the Pope in July. George Weigel says "the Bishop of Rome as Christian radical is going to take some getting used to". Kathryn Jean Lopez says Cardinal Dolan doesn't believe that "only pretty women should represent the Church in the public square". And Joseph Atkins lists 100 great blogs by Catholic priests. Follow me on Twitter @lukecoppen for updates throughout the day