Pictures: O'Brien elevated to Catholic cardinal

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New cardinal Edwin Frederick O'Brien (L), Archbishop of Baltimore receives the biretta cap from Pope Benedict XVI in Saint Peter's Basilica on February 18, 2012 in Vatican City, Vatican. The 84 year old Pontiff installed 22 new cardinals during the ceremony, who will be responsible for choosing his successor. (Franco Origlia, Getty Images)

Baltimore Archbishop Edwin F. O'Brien became a cardinal early Saturday in a ceremony at St. Peter's Basilica in the Vatican. Last summer, he was appointed Grand Master of the Equestrian Order of the Holy Sepulchre of Jerusalem, an ancient association that ministers in historical Palestine. Even as he prepared in Rome for the weekend ceremony that will elevate him to cardinal, O'Brien <a href="http://www.baltimoresun.com/news/maryland/bs-md-obrien-cardinal-20120217,0,3348120.story">vigorously lobbied for political issues</a> important to the Roman Catholic Church — a hallmark of his five-year stint here