Residents react during a gathering being held in a central square of the eastern French city of Strasbourg, Sunday Dec.16, 2018 to pay homage to the victims of a gunman who killed four people and wounded a dozen more. The gathering was held in Kleber Square by a Christmas market and near where the gunman opened fire last Tuesday evening. (AP Photo/Jean-Francois Badias)

FILE - This undated file photo released Wednesday Oct. 24, 2018, by Britain's Blackpool Police, shows an alleged thief bearing a striking resemblance to actor David Schwimmer, who played the character Ross Geller on the TV show "Friends." A British judge has issued an arrest warrant for an alleged shoplifter whose striking resemblance to David Schwimmer made international headlines, after he failed to show up for a court appearance. Abdulah Husseni failed to appear in court in Blackpool, northwest England, on Tuesday Dec. 18, 2018, to face charges of theft and fraud. (Blackpool Police via AP, File)

Residents react during a gathering being held in a central square of the eastern French city of Strasbourg, Sunday Dec.16, 2018 to pay homage to the victims of a gunman who killed four people and wounded a dozen more. The gathering was held in Kleber Square by a Christmas market and near where the gunman opened fire last Tuesday evening. (AP Photo/Jean-Francois Badias)

FILE - In this Tuesday, July 10, 2018 file photo, former Trump national security adviser Michael Flynn leaves federal courthouse in Washington, following a status hearing. Flynn is relaxed and hopeful even as the possibility of prison looms when he's sentenced in the Russia probe Tuesday, Dec. 18, 2018. The retired three-star general pleaded guilty last year to lying to the FBI about conversations he had with the then-Russian ambassador to the U.S. during President Donald Trump's White House transition. (AP Photo/Manuel Balce Ceneta, File)

FILE - In this Nov. 19 2018, file photo, Nissan Motor Co. President and Chief Executive Officer Hiroto Saikawa speaks during a press conference at Nissan Motor Co. Global Headquarter, in Yokohama, near Tokyo. Nissan’s board is meeting to pick a chairman to replace Carlos Ghosn, arrested last month on charges of violating financial regulations. The Dec. 17, 2018, meeting comes amid an unfolding scandal that threatens the Japanese automaker’s two-decade alliance with Renault SA of France and its global brand, as well as highlighting shoddy governance. (AP Photo/Shuji Kajiyama, File)

FILE - In this Sept. 26, 2018, file photo, visitors look at a display for 5G wireless technology from Chinese technology firm Huawei at the PT Expo in Beijing. While a Huawei executive faces possible U.S. charges over trade with Iran, the Chinese tech giant's ambition to be a leader in next-generation telecoms is colliding with security worries abroad. (AP Photo/Mark Schiefelbein, File)

FILE - In this Sept. 26, 2018, file photo, visitors look at a display for 5G wireless technology from Chinese technology firm Huawei at the PT Expo in Beijing. While a Huawei executive faces possible U.S. charges over trade with Iran, the Chinese tech giant's ambition to be a leader in next-generation telecoms is colliding with security worries abroad. (AP Photo/Mark Schiefelbein, File)