Former CIA director John Brennan takes on Trump presidency
Former CIA director John Brennan has become an unlikely foil for President Trump. But unlike his predecessors, Brennan is punching back against the president, according to Mattathias Schwartz -- a contributing writer at The New York Times Magazine. Schwartz joins CBSN's Tanya Rivero to talk more about his article titled "A Spymaster Steps Out of the Shadows."