JM,
Know several of them locally or from correspondence with other groups. Like many movements people are drawn to this one for legitimate reasons. At least one novel that could serve as a primer on libertarianism was written by Robert Heinlein ( The Moon is a Harsh Mistress). Heinlein had a way of examining social ideas by allowing them to develop into future societies - in this case, a lunar colony about to go independent later this century.
Particular issues that my libertarian friends pick up on are "progressivism", the nanny state and the abuse of rights by police in their search and seizures or treatment of suspects.
But more to the point this year. Governors Johnson ( Interviewed recently in the NYer) and Weld served New Mexico and Massachusetts without scandal, controversy or partisan rancor. This is something that makes them very attractive to me this election year. I don't see them with much likelihood of winning, but if a 3rd or 4th party attracted enough votes, the likelihood of the two principal candidates sailing through the electoral process would be diminished.
Donald Trump's shortcomings - one distasteful anecdote after another. His persona: like Berlusconi in Italy, Peron in Argentina or Hugo Chavez in Venezuela or the Presidential winner of the '36 election in Sinclair Lewis's "It Can't Happen Here." (This deserves an asterisk. He wrote it in response to his wife Dorothy Thompson's impressions of HItler in '33 or '34, something to which Rutherford was completely tone deaf to or accepting. He would have fit nicely though in the "Elmer Gantry" cast though.)
So then what do we have in contrast to Mr Trump from the other side? Ms Clinton has her good sides and bad. And were there a decent Republican candidate other than Trump, she would probably be defeated now that all sides of what she offers have been examined. But in this case of "trumping", it's like the "Game of Scissors, Paper and "Stones". As recently reported, HRC's basic Methodist do-gooding beliefs are credible, but on the other hand we have someone who with her husband has amassed enormous wealth for this 3rd run on the presidency. For veterans such as myself, I take the e-mail server issue seriously - and her denials - and the likelihood that many secrets that would be on them were compromised. That Mr & Ms Clinton did not separate and divorce might be good in one context, but it also reflects an inability to face real problems. Bill's endorsement of her at the Convention is an emotional moment - but such references ( also with the Trumps) are not the sort you put on any job application - why for the Presidency. What were convention goers smoking. As a "Democrat", the Clintons seem to be of the machine variety. There were over a dozen heavy hitting Republicans in contention and they all shot themselves off. Clinton ran against nobody with the DNC backing.
It all kind of hurts. Hence you can why I am considering the same alternative. Not because I anticipate liberarianism's post apocalyptic joys.