French President Francois Hollande (left) greets Iranian President Hassan Rouhani before a meeting at the Elysee Palace in Paris on Thursday. Rouhani's visit to Europe this week has been accompanied by numerous business deals announced by Iran and European companies. Peugeot-Citroen said Thursday it was returning to Iran to build cars with an Iranian automaker. Christophe Ena/AP hide caption
France's Justice Minister Christiane Taubira, who resigned on Wednesday, is shown here leave the Elysee Palace after the weekly cabinet meeting in Paris in December. Michel Euler/AP hide caption
French soldiers guard access to a Jewish school in Marseille a day after a teenager wielding a butcher knife wounded a teacher. Boris Horvat/AFP/Getty Images hide caption
Drawings of animal figures are seen in the life-size replica of Grotte Chauvet in Vallon Pont d'Arc in southern France last March. Claude Paris/AP hide caption
Flowers and messages at Paris' Place de la Republique commemorate the victims of last year's January and November shooting attacks. Charles Platiau/Reuters /Landov hide caption
German Chancellor Adolf Hitler shakes hands with Head of State of Vichy France Marshall Philippe Pétain in occupied France on Oct. 24, 1940. AP hide caption
Latifa Ibn Ziaten, shown here speaking to French elementary schoolchildren in March, started an organization to prevent radicalization after her son, a French soldier, was killed by an Islamist gunman in March 2012. Pascal Pavani/AFP/Getty Images hide caption
National Front party leader Marine Le Pen speaks during a news conference Monday in Lille, France. She has been acquitted of inciting hatred during a 2010 campaign. Pascal Rossignol/Reuters /Landov hide caption
French far-right National Front party leader Marine Le Pen makes a statement after her party lost the second round of France's regional elections on December 13, 2015, in Henin-Beaumont, France. The party achieved record gains in the first round. Chesnot/Getty Images hide caption
National Front party leader Marine Le Pen speaks during a news conference Monday in Lille, France, following Sunday's first-round voting in regional elections on Sunday. Pascal Rossignol/Reuters /Landov hide caption
Customers turned out Friday at the Bonne Biere cafe, reportedly the first Paris cafe that was attacked to reopen. Charles Platiau/Reuters/Landov hide caption
A woman carries a French flag during a ceremony in Paris on Friday honoring those killed in the Nov. 13 attacks. French President Francois Hollande has encouraged the French people to display flags, something they don't often do. Thibault Camus/AP hide caption
French President Francois Hollande delivers a speech honoring victims of the Paris attacks during a ceremony at the Invalides in Paris on Friday. The names of each of the 130 people killed in the attacks two weeks ago was read aloud. Francois Mori/AP hide caption
Russian President Vladimir Putin (right) listens to French President Francois Hollande as they leave their news conference in Moscow on Thursday. Alexander Zemlianichenko/AP hide caption
French President François Hollande is accompanied by U.S. Deputy Chief of Protocol Natalie Jones, upon his arrival at Andrews Air Force Base, Md., on Tuesday. Jose Luis Magana/AP hide caption