McMaster: Trump is Tough on Russia

Trump Deputy National Security Adviser Resigns

Nadia Schadlow is third national security official to leave post since John Bolton became national security adviser

Continetti: Bolton Will Become an 'Essential Member of the Trump Administration'

McMaster Delivers Warning to Russia: 'Russian Aggression Is Strengthening Our Resolve and Our Confidence'

Van Jones: Liberals 'Spend so Much Time Freaking Out' About Everything Trump Does

Bolton Slams Leaks Coming Out of White House: 'It's Completely Unacceptable'

John Bolton to Replace McMaster as National Security Adviser

McMaster Condemns Syrian Regime 'Atrocities' in Speech at Holocaust Memorial Museum

Trump to Unveil U.S. National Security Strategy on Monday

White House national security adviser H.R. McMaster previews new doctrine

Lauer Asks John Brennan Whether People Will 'Tackle' Trump Before He Gets to Nuclear Confrontation