National security

FILE - In this Nov. 9, 2017, file photo, an American flag is flown next to the Chinese national emblem during a welcome ceremony for visiting U.S. China says accusations against an alleged spy of attempting to steal trade secrets from several American aviation and aerospace companies were "made out of thin air." (AP Photo/Andy Wong, File)

President Donald Trump speaks during a meeting with outgoing U.S. Ambassador to the United Nations Nikki Haley in the Oval Office of the White House, Tuesday, Oct. 9, 2018, in Washington. (AP Photo/Evan Vucci)

Members of the National Gendarmerie Intervention Group (GIGN), Recherche Assistance Intervention Dissuasion (RAID) and Research and Intervention Brigades (BRI) attend a training exercise in case of terrorist attack at the G6 Interior Ministers' meeting at the Groupama stadium in Decines, near Lyon, central France, Tuesday, Oct. 9, 2018. (AP Photo/Christophe Ena)

FILE - In this July 7, 2016, file photo, then-National Security Adviser Susan Rice follows then-President Barack Obama across the South Lawn of the White House in Washington, to board Marine One. On Sunday, Oct. 7, 2018, Rice said she’ll decide after the midterm elections whether to run for the Senate from Maine in 2020. Rice is weighing whether to try to unseat Republican Sen. Susan Collins, whose decision to support Brett Kavanaugh was key to his confirmation to the Supreme Court. (AP Photo/Carolyn Kaster, File)

FILE - This July 26, 2018, file photo shows people lining up to cross into the United States to begin the process of applying for asylum near the San Ysidro port of entry in Tijuana, Mexico. Homeland Security's watchdog says immigration officials were not prepared to manage the consequences of its "zero tolerance" policy at the border this summer that resulted in separation of nearly 3,000 children from parents. (AP Photo/Gregory Bull, File)

Hooded police officers stands in front of the Centre Zahra headquarters during a search operation in Grande-Synthe near Dunkirk, France, Tuesday, Oct. 2, 2018, 2018. About 200 police officers are searching a dozen homes and the headquarters of an association based outside the port city of Dunkirk in northern France in an anti-terror operation. (AP Photo)

FILE - In this Oct. 30, 2017, file photo, Secretary of Defense Jim Mattis, testifies during a Senate Foreign Relations Committee on Capitol Hill in Washington. US officials say stricter Trump administration immigration policies have stymied Pentagon plans to restart a program that allowed thousands of people with critical medical or Asian and African language skills to join the military and become American citizens. (AP Photo/Manuel Balce Ceneta, File)

In this image made from video provided by the Netherlands Police, armed police prepare for an operation in a residential area in Arnhem, Netherlands, Thursday, Sept. 27, 2018. Seven men were arrested Thursday in the Netherlands on suspicion of plotting a large-scale extremist attack that Dutch prosecutors said they think was foiled following a months-long investigation. The national prosecutor's office said in a statement that heavily armed police arrested the men in the towns of Arnhem, about 100 kilometers (62 miles) south of Amsterdam, and Weert in the southern Netherlands close to the borders of Germany and Belgium. (Netherlands Police via AP)

President Donald Trump delivers a speech to the United Nations General Assembly, Tuesday, Sept. 25, 2018, at U.N. Headquarters. (AP Photo/Evan Vucci)