Stephen Slick is a former member of the CIA's clandestine service, special assistant to President George W. Bush, and senior director for intelligence programs and reform on the National Security Council staff.
Russian President Vladimir Putin and U.S. President Donald Trump talk at the Asia-Pacific Economic Cooperation leaders' summit in Danang, Vietnam, on Nov. 11, 2017.
LANGLEY, VA - JULY 9: The CIA symbol is shown on the floor of CIA Headquarters, July 9, 2004 at CIA headquarters in Langley, Virginia. Earlier today the Senate Intelligence Committee released its report on the numerous failures in the CIA reporting of alleged Iraqi weapons of mass destruction. (Photo by Mark Wilson/Getty Images)
TOPSHOT - Democratic nominee Hillary Clinton (L) and Republican nominee Donald Trump leave the stage after the first presidential debate at Hofstra University in Hempstead, New York on September 26, 2016. / AFP / Timothy A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Director of Central Intelligence Agency John Brennan takes questions from reporters during a press conference at CIA headquarters in Langley, Virginia, December 11, 2014. The head of the Central Intelligence Agency acknowledged Thursday some agency interrogators used "abhorrent" unauthorized techniques in questioning terrorism suspects after the 9/11 attacks. CIA director John Brennan said there was no way to determine whether the methods used produced useful intelligence, but he strongly denied the CIA misled the public. AFP PHOTO/JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)