May I correct a slight inaccuracy (“In Brief”, 11 January) where you mention “Archbishop” Louis Raphaël I Sako of Baghdad. While you correctly refer to him as “the head of the Chaldean Catholic Church”, he is not an archbishop in the way we here in the West understand someone to be both a cardinal and an archbishop of a particular see. His correct title is “the Chaldean Patriarch of Babylon”. Being in Baghdad is just an accident, because for most of our history, patriarchs have resided in various locations in Mesopotamia, depending on the circumstances. A variation of the title is “Patriarch of the Chaldeans in Iraq and the world”, and other Eastern patriarchs share a similar title because they have jurisdiction over their f