A young woman lights a candle among hundreds of others left by mourners outside the Presidential Palace in memory of late Polish President Lech Kaczynski on Monday in Warsaw, Poland. Sean Gallup/Getty Image hide caption

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Protesters demonstrate against sexual abuse in the Roman Catholic Church at the beginning of the German Bishops Conference in Freiburg on Feb. 22. Anger at both the church and Pope Benedict XVI is rising in Germany as allegations of abuse continue to surface. Winfried Rothermel/AP hide caption

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Pope Benedict XVI waves at the end of the meeting March 25 with the youth of Rome and Italy's Lazio region in St. Peter's Square at the Vatican. The ever-growing number of reports of abusive priests has left the church reeling. Alberto Pizzoli/AFP/Getty Images hide caption

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Greek taxi drivers shout slogans during a protest against proposed tax reforms in Athens, March 18, 2010. Greece's government has pledged to force all Greeks to declare their full income, which includes measures that would force taxi drivers to issue receipts. hide caption

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Protesters demonstrate against sexual abuse in the Catholic Church at the beginning of the German bishops' conference in Freiburg on Feb. 22. Winfried Rothermel/AP hide caption

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Communist rule in Romania ended in 1989 when a bloody revolt removed Nicolae Ceausescu (shown here delivering a speech in Bucharest in 1967) from power. Keystone/Getty Images hide caption

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Dissident writer and opposition leader Vaclav Havel addresses the crowd at a rally in Prague celebrating the 40th anniversary of the Universal Declarations of the Human Rights, Dec. 10, 1988. Havel was elected the first president of Czechoslovakia after the fall of the communist regime in 1989. Joel Robine/AFP/Getty Images hide caption

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A Polish woman flashes the victory sign near the destroyed remains of a replica of the Berlin Wall in central Warsaw as a part of celebrations marking the 20th anniversary of the fall of the Berlin Wall, on Nov. 9, 2009. Wojtek Radwanski/AFP/Getty Images hide caption

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Fireworks explode over Brandenburg Gate in Berlin on Monday as part of the celebrations marking the 20th anniversary of the fall of the Berlin Wall. Wolfgang Rattay/AFP/Getty Images hide caption

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Checkpoint Charlie shown in June 1968 (left) and October 2009 (right). During the Cold War, Checkpoint Charlie was the main border crossing between East and West Berlin; today, the historic site is a popular shopping district and tourist attraction. John MacDougall/AFP/Getty Images hide caption

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