
Former U.S. Homeland Security Secretary Jeh Johnson testifies before House Intelligence Committee task force as part of Russia investigation on Capitol Hill in Washington D.C., the United States, on June 21, 2017. (Xinhua/Ting Shen)

Former U.S. Homeland Security Secretary Jeh Johnson testifies before House Intelligence Committee task force as part of Russia investigation on Capitol Hill in Washington D.C., the United States, on June 21, 2017. (Xinhua/Ting Shen)