Kissinger attends Senate Armed Services Committee hearing in Washington D.C.

Former U.S. Secretary of State George Shultz (C) speaks during a Senate Armed Services Committee hearing on Capitol Hill in Washington D.C., the United States, on Jan. 25, 2018. Former Secretaries of State Henry Kissinger and George Shultz testified on Thursday to Senate Armed Services Committee on Global Challenges and U.S. National Security Strategy. (Xinhua/Ting Shen)