A priest prays before a Mass celebrated by Pope Benedict XVI at the Cuatro Vientos air base outside Madrid during World Youth Day festivities in August 2011. The Catholic Church is hoping to provide an attractive option for young job seekers in Spain, which is suffering from unprecedented unemployment. Jorge Guerrero/AFP/Getty Images hide caption

itoggle caption Jorge Guerrero/AFP/Getty Images

Demonstrators with Guy Fawkes masks protest changing privacy policies on March 31, in Vienna. Ronald Zak/DAPD/AP hide caption

itoggle caption Ronald Zak/DAPD/AP

Bosnian Muslim women hold posters with the names of the missing during a protest at the U.N. office in Sarajevo in 2008. Hundreds of wartime rape victims were protesting the decision of the U.N. war crimes tribunal to reject the prosecution's request for rape charges to be added against two Bosnian Serbs who were on trial for other war crimes. Hidajet Delic/AP hide caption

itoggle caption Hidajet Delic/AP

European leaders keep getting driven from office by voters upset with the continent's ongoing economic problems. French President Nicolas Sarkozy, shown here at a campaign event on Thursday, is trailing in opinion polls in advance of a May 6 runoff election. Lionel Bonaventure/AFP/Getty Images hide caption

itoggle caption Lionel Bonaventure/AFP/Getty Images

Many of the most troubled European banks, like the French-Belgian Dexia, lost money in subprime mortgages and Greek bonds. Yves Logghe/AP hide caption

itoggle caption Yves Logghe/AP

Residents of Cañada Real stand near recently demolished shacks on March 5. The settlement is separated into different sections and tends to be segregated by ethnic groups: Roma in one section, Arabs in another, for example. Susana Vera/Reuters /Landov hide caption

itoggle caption Susana Vera/Reuters /Landov