Passengers rest as their flights have been canceled at Edinburgh Airport in Edinburgh, Scotland, on May 24, 2011. A dense ash cloud from an Icelandic volcano blew toward Scotland, causing airlines to cancel flights and raising fears of a repeat of last year's huge travel disruptions in Europe that stranded millions of passengers. (Associated Press)
Martin Laird of Scotland watches his shot to the green from a bunker on the first fairway during the final round of the Arnold Palmer Invitational golf tournament at Bay Hill in Orlando, Fla., on Sunday. (Associated Press)
Police and investigators examine what remains of the flight deck of Pan Am Flight 103 on a field in Lockerbie, Scotland, on Dec. 22, 1988. (AP Photo/File)
Germany's Martin Kaymer poses with the trophy after his victory during the Alfred Dunhill Links Championship at St Andrews Golf Course, Scotland, Sunday Oct. 10, 2010. (AP Photo/Lynne Cameron/PA)
File - British author J K Rowling arrives to launch her latest book called 'The Tales of Beedle the Bard' at a children's tea party in Edinburgh, Scotland, in this Thursday, Dec. 4, 2008 file photo. A British judge refused to dismiss a plagiarism lawsuit against "Harry Potter" author J.K. Rowling on Thursday Oct. 14 2010, saying claims that the best-selling author stole ideas from an obscure fantasy book deserved to be considered at a proper hearing. (AP Photo, file)
Spain's David Villa, center, scores his goal from a penalty kick during their Euro 2012 Group I qualifying soccer match against Scotland at Hampden Park, Glasgow, Scotland, Tuesday Oct. 12, 2010. (AP Photo/Scott Heppell)
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.
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)
A member of the public wearing a Kilt and Sporran, traditional Scottish dress, as he arrives at Bellahouston Park in Glasgow, Scotland, Thursday Sept. 16, 2010, as the Pope arrives to Scotland. Pope Benedict XVI arrives today to start a four-day visit, the first-ever state visit by a Pope to Britain. (AP Photo/Scott Heppell)
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)
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).
A young person impersonates the Pope, and shakes hands with well wishers lining the street in Edinburgh, Scotland, during a State visit by Pope Benedict XVI , the first ever state visit by a Pope to Britain. (AP Photo/Jon Super).
A Papal flag flies at Bellahouston Park, Glasgow, Scotland, prior to the Papal Mass to be given by Pope Benedict XVI, 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/Chris Clark)
Pope Benedict XVI, right, and Britain's Queen Elizabeth II leave after inspecting an honor guard of members of the Royal Company of Archers and members of the Royal Regiment of Scotland Band as the Pope arrives at the Palace of Holyroodhouse, in Edinburgh, Scotland, Thursday Sept. 16, 2010. (AP Photo/Lefteris Pitarakis, pool)