Campact activists wear masks of German Chancellor Angela Merkel (R) and the social democratic SPD party's leader Sigmar Gabriel and hold up a portrait of US whistleblower Edward Snowden in front of the Reichstag building housing the Bundestag (lower house of parliament) in Berlin on November 18, 2013. German MPs were to hold a session at the Bundestag, focusing on the spying methods of the US National Security Agency (NSA) and its impact on Germany and transatlantic relationship. Snowden, former NSA contractor, had said before he was ready to help Germany following revelations, based on documents he provided, that have included the tapping of German Chancellor Angela Merkel's phone. AFP PHOTO / JOHANNES EISELE
German Chancellor Angela Merkel laughs at the remark of a colleague pior to a vote in the Bundestag on Germany's ratification of the European Stability Mechanism (ESM) and the European Union fiscal pact on June 29, 2012 in Berlin, Germany. The two measures together will provide a cushion for debt-stricken members yet also create far-reaching changes to the ability of the European Union to influence member states' individual fiscal policy.
German Chancellor Angela Merkel reacts with German President Joachim Gauck during the 2014 FIFA World Cup Brazil Final match between Germany and Argentina at Maracana on July 13, 2014 in Rio de Janeiro, Brazil.
In this handout photo provided by the German Government Press Office (BPA), German Chancellor Angela Merkel visits the German National team in their dressing room after the 2014 FIFA World Cup Brazil Group G match between Germany and Portugal at Arena Fonte Nova on June 16, 2014 in Salvador, Brazil.
German Chancellor Angela Merkel smiles after she received flowers following her election for her third term as chancellor at the Bundestag prior to ceremonies in which the new German government was sworn in on December 17, 2013 in Berlin, Germany. The new government is a coalition between the German Christian Democrats (CDU), the Bavarian Christian Democrats (CSU) and German Social Democrats (SPD) following federal elections held in September.
German Chancellor and Chairwoman of the German Christian Democrats (CDU) Angela Merkel speaks at the annual CDU party congress on December 10, 2014 in Cologne, Germany. The CDU is the senior partner in Germany's ruling government coalition and yesterday delegates re-elected Merkel as party chairwoman with 96.7% of votes.
German Chancellor Angela Merkel speaks to the media at the conclusion of the 2012 Council of Baltic Sea States Summit at the Ozeaneum maritime museum on May 30, 2012 in Stralsund, Germany. Leaders of the eleven member states as well as representatives of the European Union are meeting to discuss matters related to energy, the environment and economic development during the two-day summit.