Cardinal William Wakefield Baum (left), former Archbishop of Washington, died July 23, 2015. In this March 21, 1987 photo, he and West German Cardinal Joseph Ratzinger arrived at the Vatican for a private lunch with Pope John Paul II. Cardinal Ratzinger became Pope Benedict XVI in 2005. (AP Photo/Gianni Foggia/File)
Britain's Queen Elizabeth II and Pope Benedict XVI leave the Palace of Holyroodhouse in Edinburgh, Scotland, after a formal welcome Thursday, his first day of a four-day visit to the United Kingdom. The pope acknowledged that the Catholic Church failed to act quickly or decisively to deal with child molestations by priests.