WASHINGTON, DC - SEPTEMBER 19: U.S. Defense Secretary Ashton Carter (L) speaks at the Hoover Institution September 19, 2016 in Washington, DC. Carter took part in a discussion on the current policy landscape and the latest technological advances for the U.S. military. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: Former U.S. Defense Secretary William Perry (C) listens as U.S. Defense Secretary Ashton Carter (R) speaks at the Hoover Institution September 19, 2016 in Washington, DC. Carter took part in a discussion on the current policy landscape and the latest technological advances for the U.S. military. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: U.S. Defense Secretary Ashton Carter (R) greets guests at the Hoover Institution September 19, 2016 in Washington, DC. Carter took part in a discussion on the current policy landscape and the latest technological advances for the U.S. military. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: Former U.S. Defense Secretary William Perry (C) listens as U.S. Defense Secretary Ashton Carter (R) speaks at the Hoover Institution September 19, 2016 in Washington, DC. Carter took part in a discussion on the current policy landscape and the latest technological advances for the U.S. military. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: U.S. Defense Secretary Ashton Carter greets guests before taking part in a discussio at the Hoover Institution September 19, 2016 in Washington, DC. Carter took part in a discussion on the current policy landscape and the latest technological advances for the U.S. military. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - SEPTEMBER 19: U.S. Defense Secretary Ashton Carter (L) speaks at the Hoover Institution September 19, 2016 in Washington, DC. Carter took part in a discussion on the current policy landscape and the latest technological advances for the U.S. military. (Photo by Win McNamee/Getty Images)

Computer software pioneer John McAfee speaks with reporters outside his hotel in Miami Beach, Florida December 13, 2012. REUTERS/Joe Skipper

A woman takes pictures with a tablet computer of German Chancellor Angela Merkel during a press conference on September 19, 2016 in Berlin, one day after a regional election. The Christian Democratic Union (CDU) party was reeling after another stinging poll loss, as an upstart populist party poached votes in a Berlin state election by railing against her liberal refugee policy. / AFP PHOTO / John MACDOUGALLJOHN MACDOUGALL/AFP/Getty Images