LIVE: St. Patrick's Cathedral mass
Published On: Feb 28 2013 10:57:48 AM PST Updated On: Feb 27 2013 11:24:35 PM PST
2 p.m. ET: At 8 p.m. in Italy (2 p.m. ET in the United States) Pope Benedict's retirement becomes official and the papal seat will stand vacant. St. Patrick's Cathedral holds a special mass.