In this June 16, 2016 file photo, CIA Director John Brennan testifies on Capitol Hill in Washington, before the Senate Intelligence Committee. Brennan, said on “Fox News Sunday Jan. 15, 207, that Donald Trump’s “talking and tweeting” is not in the nation’s interest and that the president-elect lacks a full understanding of the threat Russia poses to the U.S. WASHINGTON – Outgoing CIA Director John Brennan ripped into Donald Trump on Sunday for “talking and tweeting” about possibly easing sanctions against Russia, saying the president-elect lacks a full understanding of the threat Moscow poses to the United States.