Cardinal Robert Sarah, president of the Pontifical Council Cor Unum, begins a four-day trip to Japan today at the request of Pope Benedict (video). Australia's bishops will discuss the removal of Bishop William Morris during their ad limina visits to Rome later this year. Senior Scottish Catholics have called for action to end sectarian bigotry after the manager of Celtic football club received another bullet in the post. Fr Ok Hyun-jin, 43, became the youngest bishop in South Korea yesterday when he was appointed an auxiliary bishop of Kwangju archdiocese. Ana Maria Catanzaro, head of the Philadelphia Review Board, explains what lies behind the new clerical abuse crisis in the city. Fr James Martin SJ describes the article as "a must-read for all American Catholics interested in their Church". Giovanni Maria Vian, editor of L'Osservatore Romano, says that Pope Benedict's words in Venice last weekend contained a message for all Catholics. Time magazine investigates who is behind the recent attacks on Christians in Egypt. And a large-scale new study has concluded that religious belief is human nature. Due to holiday the next Morning Catholic must-reads will be on Monday, May 30.