German Chancellor Angela Merkel and French President Nicolas Sarkozy shake hands after a news conference at the Chancellery in Berlin on Monday, Jan. 9, 2012. (AP Photo/Gero Breloer)
German Chancellor Angela Merkel arrives with European People's Party President Wilfried Martens for the 20th Congress of the EPP in Marseille, France, on Thursday, Dec. 8, 2011. (AP Photo/Lionel Cironneau)
French President Nicolas Sarkozy (left) smiles as he greets German Chancellor Angela Merkel prior to their meeting at the Elysee Palace in Paris on Monday, Dec. 5, 2011. (AP Photo/Remy de la Mauviniere)
German Chancellor Angela Merkel responds to questions at a press conference at the Chancellery in Berlin on Tuesday, Dec. 6, 2011, about the possibility that Standard & Poor's may downgrade the credit ratings of 15 eurozone countries, including Germany's. (AP Photo/Markus Schreiber)
German Chancellor Angela Merkel, left, and France's President Nicolas Sarkozy, right, speak to the media during a joint press conference at the Elysee Palace in Paris, Monday , Dec. 5, 2011. (AP Photo/Michel Euler)
French President Nicolas Sarkozy waves goodbye to German Chancellor Angela Merkel on Monday as she leaves the Elysee Palace after their meeting in Paris. The two leaders discussed a cohesive plan to help save the euro through stricter oversight of government budgets. The warning by Standard & Poor's of a possible credit downgrade of European nations over the debt crisis came after U.S. financial markets closed Monday. (Associated Press)
French President Nicolas Sarkozy greets German Chancellor Angela Merkel before their meeting at the Elysee Palace in Paris on Monday, Dec. 5, 2011. (AP Photo/Remy de la Mauviniere)
German Chancellor Angela Merkel gestures during her speech at the German Federal Parliament, Bundestag, in Berlin, Germany, Friday, Dec. 2, 2011. (AP Photo/Michael Sohn)
** FILE ** German Chancellor Angela Merkel and French President Nicolas Sarkozy say goodbye after their meeting in Strasbourg, France, on Thursday, Nov. 24, 2011. (AP Photo/Michael Probst)
French President Nicolas Sarkozy (center) speaks with German Chancellor Angela Merkel during arrivals for the G-20 economic summit in Cannes, France, on Wednesday. (Associated Press)
French President Nicolas Sarkozy speaks with German Chancellor Angela Merkel during arrivals for the G-20 economic summit in Cannes, France, on Wednesday. (Associated Press)
German Chancellor Angela Merkel addresses the German parliament on the European debt crisis on Wednesday, Oct. 26, 2011, at the Reichstag in Berlin. (AP Photo/Michael Sohn)
German Chancellor Angela Merkel and French President Nicolas Sarkozy give a joint media conference at the European Union summit in Brussels on Sunday, Oct. 23, 2011. (AP Photo/Michel Euler)
German Chancellor Angela Merkel arrives at the Chancellery in Berlin on Monday, Oct. 24, 2011, to brief lawmakers on Sunday's European Union summit on the euro financial crisis. (AP Photo/Markus Schreiber)
French President Nicolas Sarkozy talks with German Chancellor Angela Merkel in Berlin on Thursday after a meeting on the financial crisis. Europe's efforts to solve its debt crisis plunged into disarray after Germany and France could not bridge their differences in time for a summit Sunday. (Associated Press)
** FILE ** German Chancellor Angela Merkel (right) and French President Nicolas Sarkozy discuss the European financial crisis on Sunday, Oct. 9, 2011, in Berlin. (Associated Press)
German Chancellor Angela Merkel casts her vote on the eurozone bailout fund at the Bundestag in Berlin on Thursday. German lawmakers approved new powers for the fund in a major step toward tackling the bloc's sprawling sovereign debt crisis. (Associated Press)
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German President Christian Wulff and Chancellor Angela Merkel welcome Pope Benedict XVI at Berlin's airport on Thursday, the start of a four-day visit.