Pool
Now playing
00:45
Gary Johnson wins Libertarian presidential nomination
Libertarian presidential nominee Gary Johnson gestures as he speaks during a 2016 Presidential Election Forum, hosted by Asian and Pacific Islander American Vote (APIAVote) and Asian American Journalists Association (AAJA), at The Colosseum at Caesars Palace August 12, 2016 in Las Vegas, Nevada.
Alex Wong/Getty Images
Libertarian presidential nominee Gary Johnson gestures as he speaks during a 2016 Presidential Election Forum, hosted by Asian and Pacific Islander American Vote (APIAVote) and Asian American Journalists Association (AAJA), at The Colosseum at Caesars Palace August 12, 2016 in Las Vegas, Nevada.
Now playing
02:34
Gary Johnson unable to name world leader he admires
gary johnson libertarian donald trump border wall racist kiss sot_00005509.jpg
CNN
gary johnson libertarian donald trump border wall racist kiss sot_00005509.jpg
Now playing
02:10
Gary Johnson blows Donald Trump a kiss
Gary Johnson what is Aleppo _00002011.jpg
MSNBC
Gary Johnson what is Aleppo _00002011.jpg
Now playing
01:14
Gary Johnson: 'What is Aleppo?'
Gary Johnson no excuse aleppo the view sot nr_00004414.jpg
Gary Johnson no excuse aleppo the view sot nr_00004414.jpg
Now playing
01:40
Gary Johnson: No excuse for Aleppo gaffe
Now playing
02:31
Why you should care about the Libertarian Party in 2016
What Libertarian Gary Johnson Believes in 2 minutes
Alexander Rosen/CNN
What Libertarian Gary Johnson Believes in 2 minutes
Now playing
01:59
What Libertarian Gary Johnson believes in 2 minutes
Libertarian Convention
Jeremy Moorhead / CNN
Libertarian Convention
Now playing
02:33
Libertarians throw shade at Dems and GOP at convention
Getty Images
Now playing
02:24
Does the Libertarian party have a chance?
cnn libertarian town hall in 90 seconds origwx bw _00000000.jpg
cnn libertarian town hall in 90 seconds origwx bw _00000000.jpg
Now playing
01:37
CNN's Libertarian town hall in 90 seconds
libertarian town hall johnson what is libertarian sot 1_00001314.jpg
CNN
libertarian town hall johnson what is libertarian sot 1_00001314.jpg
Now playing
01:08
Who is Gary Johnson?
libertarian town hall johnson what is libertarian sot 1_00000703.jpg
CNN
libertarian town hall johnson what is libertarian sot 1_00000703.jpg
Now playing
00:46
Johnson: I disagree with Trump on immigration, trade
libertarian town hall Gary Johnson Why should voters choose you sot 4_00004815.jpg
CNN
libertarian town hall Gary Johnson Why should voters choose you sot 4_00004815.jpg
Now playing
00:49
Gary Johnson on why voters should choose him
CNN
Now playing
01:30
Bill Weld: Government should protect abortion access
CNN
Now playing
02:22
Gary Johnson and Bill Weld on Trump's border wall
CNN
Now playing
01:47
Libertarian candidate clarifies stance on gun control
CNN
Now playing
01:20
Romney not ruling out voting for Libertarian candidate
Libertarian candidates Johnson, Weld seek middle ground_00015815.jpg
Libertarian candidates Johnson, Weld seek middle ground_00015815.jpg
Now playing
05:55
Libertarian candidates Johnson, Weld seek middle ground
Libertarian candidates give first joint interview_00014006.jpg
Libertarian candidates give first joint interview_00014006.jpg
Now playing
03:01
Libertarian candidates give first joint interview
CNN
Now playing
00:44
A Libertarian wild card
presidential candidate gary johnson libertarian party tapper lead intv_00030603.jpg
presidential candidate gary johnson libertarian party tapper lead intv_00030603.jpg
Now playing
06:50
Libertarian: Trump's immigration plan 'insanity'
Bill Weld sees Libertarians appealing to "40-plus percent"_00000616.jpg
Bill Weld sees Libertarians appealing to "40-plus percent"_00000616.jpg
Now playing
01:26
Bill Weld sees Libertarians appealing to "40-plus percent"
Libertarian candidate gains in polls Gary Johnson_00005306.jpg
Libertarian candidate gains in polls Gary Johnson_00005306.jpg
Now playing
06:11
Libertarian candidate gains in polls
Being Moody Libertarian Speakeasy
Alexander Rosen/CNN
Being Moody Libertarian Speakeasy
Now playing
01:59
Being Moody: Why New Hampshire libertarians are celebrating
Porcfest Party Guy
Alexander Rosen/CNN
Porcfest Party Guy
Now playing
03:26
The libertarian movement to take over New Hampshire
exp nr gary johnson_00002001
exp nr gary johnson_00002001
Now playing
06:32
Libertarian candidate gets 1% of votes
Gary Johnson libertarian elections Johns_00003525
Gary Johnson libertarian elections Johns_00003525
Now playing
02:45
Gary Johnson could be a spoiler

Story highlights

Gary Johnson played up his general election chances