nbc host matt lauer thursday ask former cia director john brennan whether military officials surround president donald trump would tackle engage nuclear confrontation.brennan reply trump unilateral authority authorize military action.lauer ask brennan hesitantly report surround america procedure deploy nuclear weapons trump emphasize stories key players around president maybe lock trump room even tackle prevent use weapons feel weird ask read stories read lauer say brennan know key players around president jim mattis h.r mcmaster john kelly stories go around president inch close kind nuclear confrontation north korea guy go something go lock room go tackle watch incredible exchange smile lauer add stories prevent carry action would cause nonsense think military leaders current former mattis kelly also joe dunford chairman joint chiefs know risk escalation say brennan serve cia director obama administration know dangerous situation think governors president instincts continue try intimidate bully technically answer question would take action prevent president carry order lauer ask president unilateral authority able authorize military action brennan say order go secretary mattis secretary mattis try talk disagree carry brennan walk lauer usual white house process authorize military action lauer push original question tackle trump use quote brennan july say obligation executive officials refuse carry order inconsistent country lauer quote brennan.brennan clarify make comment context fire former fbi director jim comey efforts delay put obstacles investigations underway country laws brennan add wfb matt lauer ask obama former cia director trump inner circle prepare tackle lock room keep trump use nuclear weapons video