Carl Bernstein, the reporter who helped expose the Watergate Scandal in the ’70s, alleges that President Donald Trump’s phone calls with foreign leaders so worried his staff that they considered the president himself a national security threat.
WATCH: CNN report alleges Trump’s staff considers president a security threat
President Donald Trump hangs up after talking with Mexican President Enrique Pena Nieto on the phone in the Oval Office of the White House, Monday, Aug. 27, 2018, in Washington. (AP Photo/Evan Vucci)