secure to step on the world stage knowing the first thing people will meet is his mustache. this is john bolton, by the way. mustaches don t always tell you everything you need to know about a person, but this one does. reporter: he must be resigned to being portrayed heading to the white house for his first briefing as yosemite sam. he s not just depicted as a loose cannon but one with a mustac mustache. already the president s hair has been aif i canned to bolton s upper lip. it may be because he s been on the captain crunch box over 40 years. reporter: if you believe the reporting in fire and fury one of president trump s issues initially was his mustache. reporter: steve bannon is quoted as saying bolton s mustache is a problem. trump doesn t think he looks the part. more than a year later the president got over it and comedians can t get enough of it. ambassador bolton