Children from the Holy Cross Primary School in Plymouth western England meet Pope Benedict XVI during a celebration of Catholic education at St Mary's University College, Twickenham, London. Friday Sept. 17, 2010. Pope Benedict XVI is on the second day of a four-day visit, the first-ever state visit by a Pope to Britain. (AP Photo/ Steve Parsons/Pool)
Pope Benedict XVI, centre, attends a Service of Prayer at St Mary's University College Chapel in Twickenham London Friday Sept. 17, 2010. Pope Benedict XVI is on the second day of a four-day visit, the first-ever state visit by a Pope to Britain. (AP Photo/Toby Melville, Pool)
Line of police officers watch over the crowd outside St Mary's University College in Twickemham, London where Pope Benedict XVI is attending a celebration of catholic education, Friday, Sept. 17, 2010. Pope Benedict XVI is on a four-day visit, the first-ever state visit by a Pope to Britain. (AP Photo/Sang Tan)
Pope Benedict XVI presides during a celebration of Catholic Education at St Mary's University College, in Twickenham, London, Friday Sept. 17, 2010. Thousands of cheering Catholic schoolchildren feted Pope Benedict XVI with songs and gifts Friday on his second day in Britain, offering a boisterous welcome as the pontiff urged them to ignore the shallow temptations of today's "celebrity culture." (AP Photo/Ben Stansall, Pool)
Pope Benedict XVI attends a Service of Prayer at St Mary's University College Chapel at Twickenham, London,Friday Sept. 17, 2010. Thousands of cheering Catholic schoolchildren feted Pope Benedict XVI on his second day in Britain on Friday, offering a boisterous welcome even as the pontiff urged their teachers to make sure to provide a trusting, safe environment. (AP Photo/Toby Melville, Pool)
ASSOCIATED PRESS
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.
Britain's Queen Elizabeth II talks with Pope Benedict XVI during an audience in the Morning Drawing Room at the Palace of Holyroodhouse in Edinburgh Thursday Sept. 16, 2010. The Pope is on a four-day visit to Britian. (AP Photo David Cheskin/Pool)
Pope Benedict XVI, centre right, is met by the Duke of Edinburgh as he arrives in Scotland to begin the first papal state visit to the UK., Thursday Sept. 16, 2010. (AP Photo / Andrew Milligan, Pool)
Pope Benedict XVI inspects a guard of honor after his arrival at Edinburgh airport in Scotland, Thursday Sept. 16, 2010. Pope Benedict XVI arrives in the United Kingdom on Thursday for a four-day visit, a controversial yet historic state trip that has been overshadowed by the sex abuse scandals which have shaken confidence in the Roman Catholic Church. (AP Photo/Derek Blair, Pool)
Pope Benedict XVI arrives in Edinburgh, Scotland, on a windy day to begin the first papal state visit to Britain, Thursday Sept. 16, 2010. (AP Photo / Andrew Milligan, pool)
Pilgrims arrive at Bellahouston Park, Glasgow, Scotland prior to the open air Papal Mass to be held by Pope Benedict XVI. Thursday, Sept. 16, 2010. (AP Photo/Chris Clark)
Police outriders are seen as Pope Benedict XVI arrives in a motorcade amidst heavy security on Princes Street in Edinburgh, Scotland, Thursday Sept. 16, 2010. Pope Benedict XVI is on a four-day visit, the first ever state visit by a Pope to Britain. (AP Photo/Jon Super).
Police observe from a high vantage point, on a hill above Holyrood Park in Edinburgh, Scotland, Thursday Sept. 16, 2010, as Pope Benedict XVI starts his four day state visit to Britain. Pope Benedict XVI, beginning a controversial state visit to Britain, acknowledged Thursday that the Catholic Church failed to act decisively or quickly enough to deal with priests who rape and molest children. (AP Photo/Scott Campbell)
A nun holds rosary beads as she awaits the arrival of Pope Benedict XVI at Bellahouston Park, Glasgow, Scotland, Thursday Sept. 16, 2010 where the Pope will hold an open air Mass. (AP Photo/Scott Heppell)
Britain's Queen Elizabeth II, bottom left, accompanies Pope Benedict XVI, right, as he receives flowers from children while leaving the Palace of Holyroodhouse, in Edinburgh, Scotland, Thursday Sept. 16, 2010. (AP Photo/Lefteris Pitarakis, pool)
Pope Benedict XVI receives flowers from youths while leaving the Palace of Holyroodhouse, in Edinburgh, Scotland, Thursday Sept. 16, 2010. (AP Photo/Lefteris Pitarakis, pool)
** FILE ** From left, Britain's Prince Philip, Britain's Queen Elizabeth and Pope Benedict XVI walk at the Palace of Holyroodhouse, in Edinburgh, Scotland, Thursday Sept. 16, 2010. (AP Photo/Claudio Onorati, Pool)
A British police officer stands by as protestors hold a banner during the visit of Pope Benedict XVI to Edinburgh, Scotland, Thursday Sept. 16, 2010. Pope Benedict XVI arrives in the United Kingdom on Thursday for a four-day visit, a controversial yet historic state trip that has been overshadowed by the sex abuse scandals which have shaken confidence in the Roman Catholic Church.(AP Photo/Jon Super).
Protestors hold a placard protesting the visit of Pope Benedict XVI to Edinburgh, Scotland, Thursday Sept. 16, 2010. Pope Benedict XVI arrives in the United Kingdom on Thursday for a four-day visit, a controversial yet historic state trip that has been overshadowed by the sex abuse scandals which have shaken confidence in the Roman Catholic Church. (AP Photo/Jon Super).