By Alessandro De Carolis Pope Francis on Saturday received in audience Cardinal Marcello Semeraro, Prefect of the Vatican Congregation for the Causes of Saints, and authorized him to promulgate decrees concerning various causes showing a richness in examples of limitless charity and heroism in the face of violence. The first decree regarded Blessed Artemide Zatti, an Italian layman, originally from Boretto in the Po Valley where he was born in 1880. The family emigrated to Argentina when Artemide was 17 and settled in Bahia Blanca. There the young man met the Salesians and entered the Congregation as a professed member,...