Japan's Defense Minister Tomomi Inada speaks during a news conference after National Security Council (NSC) meeting with prime minister Shinzo Abe and other ministers on a suspected nuclear test by North Korea, at Defense Ministry in Tokyo, Japan, September 9, 2016. REUTERS/Issei Kato

Brazil's former President Luiz Inacio Lula da Silva looks on as he attends a meeting with members of the Workers Party (PT) in Sao Paulo, Brazil September 2, 2016. REUTERS/Paulo Whitaker

The logo of global online travel brand Expedia is pictured at the International Tourism Trade Fair (ITB) in Berlin, Germany, March 9, 2016. REUTERS/Fabrizio Bensch

Philippines Foreign Affairs Secretary Perfecto Yasay speaks during a news conference at the Department of Foreign Affairs in Pasay city Metro Manila, Philippines July 27, 2016. REUTERS/Erik De Castro

United Nations Secretary General Ban Ki-moon arrives to attend ASEAN Summit in Vientiane, Laos September 8, 2016. REUTERS/Soe Zeya Tun

Democratic presidential candidate Hillary Clinton greets reporters on her campaign plane in White Plains, New York, United States September 15, 2016, as she resumes her campaign schedule following a bout with pneumonia. REUTERS/Brian Snyder

Democratic presidential candidate Hillary Clinton waves as she boards her campaign plane in White Plains, New York, United States September 15, 2016, to resume her campaign schedule following a bout with pneumonia. REUTERS/Brian Snyder

Federal Communications Commission (FCC) Chairman Tom Wheeler speaks at the FCC Net Neutrality hearing in Washington DC, U.S. February 26, 2015. REUTERS/Yuri Gripas/File Photo