FILE PHOTO: Former U.S. Secretary of State Henry Kissinger looks up during a meeting with U.S. President Donald Trump in the Oval Office of the White House in Washington, U.S., October 10, 2017. REUTERS/Kevin Lamarque/File Photo Photo: KEVIN LAMARQUE/REUTERS
FILE PHOTO: Henry Kissinger, chairman of Kissinger Associates, speaks during the annual meeting of the World Economic Forum (WEF) in Davos, Switzerland, January 24, 2013. REUTERS/Pascal Lauener/File Photo Photo: PASCAL LAUENER/REUTERS
FILE PHOTO: Former U.S. Secretary of State Henry Kissinger listens to a question at China Development Forum, in Beijing, China, March 21, 2015. REUTERS/Jason Lee/File Photo Photo: JASON LEE/REUTERS
FILE PHOTO: Former U.S. Secretary of State Henry Kissinger, speaks at the George W. Bush Presidential Center's 2019 Forum on Leadership in Dallas, Texas, U.S., April 11, 2019. REUTERS/Jaime R. Carrero/File Photo Photo: JAIME R CARRERO/REUTERS
FILE PHOTO: Former U.S. Secretary of State Henry Kissinger arrives for a memorial service for late Social Democratic senior politician Egon Bahr at St. Mary's Church in Berlin, Germany, September 17, 2015. REUTERS/Fabrizio Bensch/File Photo Photo: Fabrizio Bensch/REUTERS
U.S. National Security Advisor Henry Kissinger waves to the press as he arrives for follow-up talks after the Paris Peace Accords on Vietnam with North Vietnamese Politburo member Le Duc Tho, in Saint-Nom-la-Breteche, near Paris, France, June 12, 1973 in this screengrab taken from a video. REUTERS TV via REUTERS Photo: REUTERS TV/REUTERS
