"The Unity for Which We Pray Requires Interior Conversion, Both Communal and Personal" VATICAN CITY, JAN. 18, 2012 (Zenit.org).- Here is a translation of the Italian-language catechesis Benedict XVI gave today during the general audience held in Paul VI Hall. The Pope reflected on the Week of Prayer for Christian Unity, which begins today. * * * Dear brothers and sisters, Today marks the beginning of the Week of Prayer for Christian Unity, which for more than a century has been celebrated by Christians of all Churches and ecclesial Communities, in order to invoke that extraordinary gift for which the Lord Jesus Himself prayed during the Last Supper, before His Passion: "that they may all be one; even as thou, Father, art in me, and I in thee, that they also may be in us, so that the world may believe that thou hast sent me" (John 17:21). The practice of the Week of Prayer for Christian Unity was introduced in 1908 by Father Paul Wattson, founder of a...