(FILES) This file photo taken on June 30, 2016 shows Taiwan's President Tsai Ing-wen delivering a speech during her visit to the General Andres Rodriguez school to which the country donated computers, in Asuncion. Taiwan's President Tsai Ing-wen is battling falling popularity and increased pressure from Beijing as she approaches 100 days in office marred by controversy. / AFP PHOTO / NORBERTO DUARTENORBERTO DUARTE/AFP/Getty Images

U.S. Secretary of State John Kerry speaks during an event to promote the Science, Technology, Engineering and Math (STEM) educational program for girls in Abuja, Nigeria, August 24, 2016. REUTERS/Afolabi Sotunde

The Hewlett-Packard (HP) logo is seen as part of a display at the Microsoft Ignite technology conference in Chicago, Illinois, May 4, 2015. REUTERS/Jim Young/File Photo

U.S. Secretary of State John Kerry speaks during an event to promote the Science, Technology, Engineering and Math (STEM) educational program for girls in Abuja, Nigeria, August 24, 2016. REUTERS/Afolabi Sotunde

(FILES) This file photo taken on August 05, 2016 shows United Nations Secretary-General Ban Ki-moon attending the opening ceremony of the Rio 2016 Olympic Games at Maracana Stadium in Rio de Janeiro. North Korea's test-firing of a missile from a submarine towards Japan is "deeply troubling" and undermines stability on the Korean peninsula, UN Secretary-General Ban Ki-moon said August 24, 2016. The UN Security Council scheduled urgent consultations on the latest test-firing, at the request of the United States and Japan. The emergency talks are to be held around 2100 GMT. North Korea is barred under UN resolutions from any use of ballistic-missile technology, but Pyongyang has carried out several launches following its fourth nuclear test in January. / AFP PHOTO / Kirill KUDRYAVTSEVKIRILL KUDRYAVTSEV/AFP/Getty Images

U.S. Secretary of State John Kerry speaks during an event to promote the Science, Technology, Engineering and Math (STEM) educational programe for girls in Abuja, Nigeria August 24, 2016. REUTERS/Afolabi Sotunde

LYTHAM ST ANNES, ENGLAND - AUGUST 24: Actor David Prowse MBE attends the funeral service of Star Wars actor Kenny Baker on August 24, 2016 in Lytham St Annes, England. Kenny Baker is best known for portraying the droid character R2-D2 in the Star Wars science fiction movie franchise. Kenny passed away at home in Preston, aged 81, after suffering respiratory problems. (Photo by Christopher Furlong/Getty Images)

LYTHAM ST ANNES, ENGLAND - AUGUST 24: Actor David Prowse MBE attends the funeral service of Star Wars actor Kenny Baker on August 24, 2016 in Lytham St Annes, England. Kenny Baker is best known for portraying the droid character R2-D2 in the Star Wars science fiction movie franchise. Kenny passed away at home in Preston, aged 81, after suffering respiratory problems. (Photo by Christopher Furlong/Getty Images)