U.S. National Intelligence Director James Clapper (R) testifies before the U.S. Senate's Armed Services Committee during a hearing on cyber threats to the U.S., on Capitol Hill in Washington D.C., the United States, Jan. 5, 2017. (Xinhua/Bao Dandan)
U.S. National Intelligence Director James Clapper (R) testifies before the U.S. Senate's Armed Services Committee during a hearing on cyber threats to the U.S., on Capitol Hill in Washington D.C., the United States, Jan. 5, 2017. (Xinhua/Bao Dandan)