Mass is being celebrated again in the newly liberated city of Mosul. Benedict XVI's ex-students will discuss anti-Christian persecution at their annual meeting next month. A Vatican official is investigating the validity of a 17th-century apparition in Texas. Coptic Pope Tawadros II has declared that same-sex marriage is a sin during a trip to Australia. John Allen explains why Archbishop José Gómez is becoming an "ever more fascinating figure". David Paul Deavel says the late Michael Novak was "a dynamo of achievement". And Perry West proposes a patron saint of opioid addicts. Follow me on Twitter @lukecoppen for updates throughout the day.